SKU: 51294583617

Robbox - Length Extension - 16"

Sale price$93.22 Regular price$103.58
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USA
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Ships within 48 hours · Estimated delivery Jul 14 - Jul 19

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Description

Robbox - Length Extension - 16"The Robbox Length Extension is a box beam level extension designed to expand the working length of your Sennses Pro Device in seconds. Available in multiple sizes, the extensions are precision machined on three surfaces and features magnetic removable end caps and a secure magnetic latching system that locks the Sennses Pro in place. Optional thumbscrew is also included for added security. The top surface is uninterrupted for easy marking, and

The Robbox Length Extension is a box beam level extension designed to expand the working length of your Sennses™ Pro Device in seconds. Available in multiple sizes, the extensions are precision-machined on three surfaces and features magnetic removable end caps and a secure magnetic latching system that locks the Sennses™ Pro in place. Optional thumbscrew is also included for added security. The top surface is uninterrupted for easy marking, and features an imperial scale. A metric scale can be found on the bottom. Two precision calibrated bubble vials for level and plumb are incorporated for use without the Sennses Pro digital measuring device for added versatility.

Key Features

Quick and Easy Installation: Equip the Sennses Pro into the Length Extension in seconds with the positioning baseplate and magnets.

3-Surface Machined Body: Achieve unmatched precision and accuracy with three machined surfaces to use for your leveling applications.

Removable Magnetic End Caps: Remove end caps quickly and easily. Protects Extension frame and provides access to tight spaces.

Precision-Calibrated Bubble Vials: Gain enhanced flexibility with integrated bubble-level vials.

Imperial and Metric Ruler Markings: Take quick measurements quickly and easily with the uninterrupted imperial and metric ruler markings on the top and bottom surfaces, respectively.

Special Features

- Three-Surface Machined Aluminum Body for Ultimate Precision
- Removable Magnetic End Caps
- Three-Way Calibrated Bubble Vials for Added Versatility
- Magnetic Latching System with Optional Thumbscrew

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 51294583617

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4.3 ★★★★★
Based on 2469 reviews
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Verified Purchase
KNE
Grantham, US
★★★★★ 5
comfortable
Size: 7 Big Kid, Color: Black/Black
super comfortable!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
M
Verified Purchase
Mike Summers
Louisville, US
★★★★★ 5
Great shoes
Size: 5 Big Kid, Color: Navy/Blue
Loved them but bought a size too small so had to buy another pair…my bad 🤦🏽‍♀️
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026
T
The Pacific Northwesterners
Bozeman, US
★★★★★ 4
Comfortable and Easy to Wear Daily
Size: 2 Little Kid, Color: Navy/Blue
My daughter has been wearing these navy/blue shoes since the weather has been less rainy and more sunny. They are great for outdoor play, especially on days when it's warm outside. The knit mesh upper keeps her feet from overheating, and the cushioned insole feels supportive without being stiff. At size 2, the fit is accurate and the width runs a bit roomy, which gave her some growing room without feeling loose. The slip-on design with elastic laces and pull tabs is a real plus. She can get them on and off without any help, which she loves. The shoes are light enough that she barely notices them during long active days. My one small complaint is that the sole feels more like firm foam than rubber, so they can be a little slippery on smooth indoor floors. For the price, these deliver solid everyday value. They look good, hold up well to regular use, and my daughter reaches for them first most mornings. Pros: - Breathable mesh keeps feet cool - Easy slip-on design with elastic laces and pull tabs - Lightweight and comfortable for all-day wear - Accurate sizing with a roomy width - Durable for the price Cons: - Sole can be slippery on hard smooth surfaces - Limited outsole grip compared to rubber-soled shoes
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Reviewed in the United States on June 1, 2026
D
DR
Belleville, US
★★★★★ 5
Great kids' shoe — easy on, comfy all day
Size: 3 Little Kid, Color: Pink/Lavender
My kid has been wearing these for a few weeks now and I'm genuinely impressed with how well they've held up. The knit mesh upper keeps feet cool and comfortable during long days at school and outdoor play, and the cushioned EVA midsole does a great job absorbing impact. What really won me over is the slip-on design with elasticated laces and dual pull tabs — my child can put them on and take them off completely independently, which is a huge win. The fit is snug but not tight, and they run a bit roomy in width, which is great for kids with wider feet or those who need a little growing room. At $32, the quality feels solid for the price. Lightweight, breathable, and easy to wear — these check all the boxes for an everyday kids' shoe.
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Reviewed in the United States on May 23, 2026
M
Melissa
Louisville, US
★★★★★ 5
Cute, Comfortable, Light-Weight Shoes, Perfect for School
Size: 11 Little Kid, Color: Pink/Lavender, Size: 11 Little Kid, Color: Pink/Lavender
These have turned out to be great everyday shoes for my 5 year old. She normally wears a size 10, but since that size wasn’t available, I ordered the 11 expecting her to grow into them. I was pleasantly surprised that they already fit her pretty well. There’s still a little extra room in the toe area, but the shoes fit securely around her ankles so they don’t feel loose or slip off while walking or playing. She says they’re very comfortable and loves how easy they are to slip on by herself. The lightweight design is nice for everyday wear, and they’ve held up well so far despite being worn almost daily. They've become her favorite shoes to wear! Also the pink/lavender color is really pretty in person. Overall, I’m very happy with them and would order again.
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Reviewed in the United States on May 13, 2026

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