Features: 1. High quality stainless steel material make sure the durability of the product. 2. Great workmanship, perfect replacement for the old or damaged one. 3. Including different standard set screws, easy to operate. 4. This is a DIY kits with installation tools for quick and easy using. 5. There is a storage box which it is convenient to carry. Specification: Condition: 100percent Brand new Item Type: Set Screw Material: Stainless Steel Head Type: Concave end Groove Type: Hex socket Thread Standard: M3, M4, M5, M6, M8 Package Size: Approx. 12.5 x 6.5 x 2.5cm 4.9 x 2.6 x 1in Package List: 40 x M3 x 0.5 3mm Set Screw 40 x M3 x 0.5 4mm Set Screw 40 x M3 x 0.5 6mm Set Screw 30 x M4 x 0.7 4mm Set Screw 30 x M4 x 0.7 6mm Set Screw 30 x M5 x 0.8 5mm Set Screw 30 x M5 x 0.8 8mm Set Screw 20 x M6 x 1 6mm Set Screw 20 x M6 x 1 10mm Set Screw 20 x M8 x 1.25 8mm Set Screw High quality stainless steel material make sure the durability of the product. Great workmanship, perfect replacement for the old or damaged one. Including different standard set screws, easy to operate. This is a DIY kits with installation tools for quick and easy using. There is a storage box which it is convenient to carry.