Concrete Knee Boards 30'' x 8'' Slider Knee Boards, Kneeler Board Stainless Steel Kneeboards, Concrete Sliders Pair Moving Sliders, w/Concrete Board Straps for Cement and Concrete Finishing Default:Default Unlike conventional crunch exercises

Unlike conventional crunch exercises

ensuring they remain upright and retain their shape

5 kN breaking strength

The elongated long-arm handle features an ergonomic design

Concrete Knee Boards 30'' x 8'' Slider Knee Boards, Kneeler Board Stainless Steel Kneeboards, Concrete Sliders Pair Moving Sliders, w/Concrete Board Straps for Cement and Concrete Finishing Default:Default Unlike conventional crunch exercises30"x8" Concrete Knee Board Sliders 30"x8" & Built in Brackets & Smooth Movement Here we provide you with a pair of high efficient, 30"x8" lightweight kneeboards. They are made of polished stainless steel with comfortable EVA material. These reinforced heavy duty kneeboards are easy to use and protect your concrete while finishing. Keep both you and your concrete safe with our high quality kneeboard sliders. 30"x8" Knee Board Sliders Premium Stainless