Description: 【Functionality】: This tile leveling system is ideal for floor or wall setting, ensuring evenness between tiles and preventing movement during the mortar setting process. 【Professional Tool】: Replacement Steel Needle Tile Leveling System Kit is suitable for maintaining balance of tiles in the same horizontal position and avoid the tile from moving during mortar setting 【Durability】: Replaceable Pin Reusable Spare Steel Pin Tiling Construction Tools are made from thick Pp and manganese steel, this product is reusable, sturdy, and wear resistant. 【Efficient Tool】The innovative tile leveling system helps DIY and professional tile layers improve the efficiency of laying tiles and increases the installation speed 【Convenient Design】: These levelers are carefully designed for easy installation, reducing the need for grinding and polishing. Each pack contains 100 pieces manganese steel pins. Size Chart: Length 3.2cm/1.26inch Package Includes: 100 Floor Wall Replace Steel Needle Nails(4 Pack) Note: Please allow slightly errors 1-2cm differences due to manual measurement.