Features: Brand new and high quality The replaceable steel t-pins needles kit fits well for flooring wall replacement tile leveling system; the tile leveling system ensures flatness between tiles avoiding movements during the setting. The 300pcs tile steel needle is made of stainless steel, which is strong and durable, with good wear resistance, impact 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 tile space between 2 to 6mm, and is suitable for tile laying from 0.12" / 3mm to 0.63" / 16mm thickness, keeping the tiles in the same horizontal position and preventing them from moving during the setting process. 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 tile installation speed and be more cost effective. This tile installation tools not only improves the efficiency of the diy and tile laying process, but also provides you with a perfect tile surface. Specifications: Material:Stainless Steel Size:Approx.32x10x7.9mm/1.26x0.39x0.3inches Package Includes: 300Pcs Replacement Steel Needles note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.