Features & Details 28"x8" Knee Board Sliders: The two pairs of kneeboards have a suitable size of 28"x8"x4"/70x20x10 cm, which can provide complete protection in concrete finishing work. It is designed with rounded corners and smoothing trowel boards without burr, which have great scratch resistance. Premium Stainless Steel: The knee slider is an efficient concrete finishing tool, constructed in a solid structure. 0.08 inch/2 mm thickened stainless steel concrete boards feature wear-resistance, and a certain degree of a radian is used so the knee pads become more ergonomic to fit your legs. Comfortable Knee Pads: The two pairs of knee boards come with assembled board straps and buckles, secure and safe fastening. Work longer construction hours with less fatigue. Efficient & Easy to Use: The powerful concrete board sliders work excellently in concrete finishing with built-in toe brackets. They can help the tools move back and forth. It can greatly improve your work efficiency, saving time while reducing labor output. Wide Range Application: Our lightweight stainless steel kneeboards turn up to prevent digging in the ground while paving cement. They are widely applied in moving across wet concrete for smooth concrete surface sliding, finishing, and screeding.