1、The screw sleeve is made of stainless steel, good corrosion resistance. 2、7 different sizes of screw sleeve meet your different needs. 3、Used in various low strength materials, which can improve the wear resistance of bolt connections and avoid the damage of thread 4、All the screw sleeves are placed in a box for easy carrying. 5、Strengthen the connection strength and improve the connection condition, avoid sliding wire, wrong tooth phenomenon, and obtain excellent connection performance Feature: The screw sleeve is made of stainless steel, good corrosion resistance. 7 different sizes of screw sleeve meet your different needs. Used in various low strength materials, which can improve the wear resistance of bolt connections and avoid the damage of thread All the screw sleeves are placed in a box for easy carrying. Strengthen the connection strength and improve the connection condition, avoid sliding wire, wrong tooth phenomenon, and obtain excellent connection performance Specification: Material: 304 Stainless Thread tolerance: 5g Product dimension:  M3*0.5*1.5*1.5D, M4*0.7*1.5D, M5*0.8*1.5D, M6*1.0*1.5D, M8*1.25*1.5D, M10*1.5*1.5D, M12*1.75*1.5D Package list: 10 * Screw sleeve M3*0.5*1.5 1.5D 10 * Screw sleeve M4*0.7*1.5D 10 * Screw sleeve M5*0.8*1.5D 10 * Screw sleeve M6*1.0*1.5D 10 * Screw sleeve M8*1.25*1.5D 5 * Screw sleeve M10*1.5*1.5D 5 * Screw sleeve M12*1.75*1.5D Note: The actual product color may deviate from the photo due to light. There may be a slight deviation in the measurement of product.