Usage Tips:WHAT YOU GET - includes 10 pieces M4-Screws shaft 20 pieces Flat Head screws, providing you with the essential components f your projects. Whether you're a professional knife maker a DIY enthusiast, our product quantity is designed to meet your daily needs replacement requirements. SIZE INFMATION - Intermediate connecting rod diameter 5 12mm long. Screw tight adjustable length (between 17.2-22 mm). Nut diameter 7.8mm, hex size 2mm. MATERIAL DURABILITY - Our knife hle screws rivets bolts set is made of high-quality DIN 912 alloy steel with a hardness rating of HRC 39-44, ensuring exceptional strength durability. It resists rust, crosion, wear, defmation, ensuring a long-lasting perfmance even under tough conditions. EASE OF USE ASSEMBLY - Installing our product is straightfward. Simply drill a hole in the desired surface, adjust the screw tightness using a screwdriver, create a solid hle pin look if necessary. Our screws are easy to wk with, making your projects me efficient. WIDE APPLICATION - Our intermediate connecting rods are suitable f various applications. Whether you're crafting slicing knives, meat cleavers, vegetable cutters, fruit knives, our product enhances the robustness simplicity of your tools. material: metal Col: as shown Package Contents: 10 x Knife Hle Screws Only the above package content, other products are not included. Note: Light reflection different displays may cause the col of the item in the picture a little different from the real thing. The measurement allowed err is 1-3cm.