Types of drive inserts: Slotted and Phillips combination, slotted and square socket, pozidrive, H-slot, slotted, Phillips recess, square socket, hexagon recess.
Types of heads: Cheese, binding, pan, truss, flat, oval, round, hexagon, hexagon washer and pan washer .
Materials: Steel, stainless steel or brass.
Standard size and tolerance conform to international standards DIN, ANSI and JIS .
Custom-made for electrical household products, electronic products, cameras, watches, etc. Also suitable for accessories in DIY shops.