1、50Pcs in 1 Set: The kit contains 50pcs set screws, which are sufficient in quantity and can be used and replaced directly. 2、A2‑70 Stainless Steel: Made of A2‑70 stainless steel, with a tensile strength of 700N/mm², corrosion resistant, hard and durable. 3、Standard Size: The product standard is DIN 916, with standard thread, accurate size and strong practicability. 4、Easy Operation: Often used in conjunction with nuts to fasten and connect two parts with through holes. 5、Wide Applications: These grub screws are often used for mechanical fastening, car repair or furniture manufacturing, etc. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.