【304 Stainless steel】: The set screws assortment kit are made of 304 stainless steel with standard threads and fine workmanship process, which offers better corrosion resistance and rust prevention. It can meet the needs of different occasions 【One Box of Metric + One Box of SAE】: 1500pcs in total, different universal 32 sizes of grub screw kits can meet your different needs. Metric: M3 M4 M5 M6 M8. SAE standards: 1/8-40, 5/32-32, 3/16-24, 1/4-20, 5/16-18, also equipped with 5 metric hex wrenches and 5 SAE hex wrenches, with labels on the inside and outside of the box corresponding to size and quantity for Easy to quickly find and carry 【Allen + Cup point】: Cup points have a cup-shaped point to indent into the contact material for permanent or semi-permanent installations on soft or hard surfaces. All set screws are professionally milled or ground to reduce the chance of slippage and increase load capacity, improve torque resistance and transmission, and improve good resonance. When installed correctly, set screws can successfully with withstand heavy torque applications 【Easy to Use】: The set screws for bathroom fixtures and door handles have clean cutting edges and fine threads that are not easy to loosen. They can be easily screwed in with the provided hex wrench, making them very easy and convenient to use 【Wide Application】: This set screw kits is usually used to lock possible moving parts in place, their are suitable for various scenarios such as faucets, door handles, lighting installation, knob maintenance and installation, pipeline fixation, as well as various precision machinery, classification instruments, electronic products, and household appliance maintenance and so on ASIN B0F91D9BXZ Brand NANAKLAUS Color Silver 304 Stainless Steel 1500PCS Set Name Set Screw Assortment Kit Size Name Assorted Item Shape Hexagonal Unit Count 1.0 Count Item Weight 0.4 Kilograms Part Number HL-SET-1500PCS-S Finish Types Silver Grade Rating 304 Stainless Steel Manufacturer NANAKLAUS Fastener Type Hex Item Diameter 3 Millimeters Material Type Stainless Steel Number Of Items 1500 Screw Head Style Hex