(Material) The electric rivet gun set is made of forged metal and has high working strength. The alloy steel forged gun head has high hardness, saving time and effort. (Vertical grip handle) The handle is made of hard plastic with anti-slip lines, which is not easy to slip with vertical grip. (Hexagonal connecting rod) Stable clamping, can be connected to lithium drill, twist drill, pistol drill, etc. Suitable for: all kinds of rivets with shaft diameter: 2.4 / 3.2 / 4.0 / 4.8mm. (Clamp) Not easy to slip nails, fast speed and high efficiency, three-claw nail anastomosis design, smooth riveting without burrs, three-piece structure is not easy to stick. (Advantage) Compared with traditional rivet guns, it has lower noise, small size, more efficient and easy to carry. And more labor-saving than manual and more convenient than pneumatic rivet gun. Product specifications: Material: alloy steel + hard plastic. Color: black. Gun adapter length: 150mm Hex shank diameter: 6.35mm (1/4 inch)