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 conforming to international standard DIN, ANSI, JIS.

Custom-made for electrical household products, electronic products, cameras, watches, etc. Also suitable for accessories in DIY shops.