The replaceable steel t-pins kit fits well for flooring wall replacement leveling; the leveling ensures flatness between tiles avoiding movements during the setting This installation tools not only improves the efficiency of the and laying process, but also provides you with a perfect surface The 300pcs steel needle is stainless steel, which is strong and, with good wear resistance, resistance, pressure resistance and abrasion resistance, and can serve you for a long time Only need to remove the nut cover, insert the t-pin steel needle into the grooves, put the red cover into the grooves, and tighten the nut cover.Remove the t-type straightener about 5-6 hours after leveling before the cement is completly dried; it will increase installation speed and be more cost effective Each replacement t-pins steel needle measures about 32mm / 1.26inch in length, thickness is about 1 / 16 inch / 1.4mm, the right size is suitable for space between 2 to 6mm, and is suitable for laying from 0.12 " / 3mm to 0.63 " / 16mm thickness, keeping the tiles in the same horizontal position and from moving during the setting process, Manufacturer: Beimus