and The replaceable steel t-pins fits well for flooring wall replacement leveling ; the leveling ensures flatness between tiles avoiding movements during the setting. 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. 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. Package includes: 300Pcs Replacement Steel