Applicable Size: Fit for all types of rivets with a shaft diameter of: 2.4 / 3.2 / 4.0 / 4.8 mm. Regardless of whether aluminum, steel or stainless steel. Compatible with all standard drills and cordless screwdrivers with 1/4inch hexagon drive. High Efficiency: This electric rivet is fully metal and has high working strength, and the alloy steel has high hardness and durability, with 3-claw nail design, not easy to get stuck. High Stability: High-hardness hexagonal connecting rod, stable clamping force, can be connected to lithium drill, torsion drill etc. Non-Slip Handle: Handle with hard plastic, not easy to slip with vertical grip. Features: Compared to traditional rivet , it has lower noise, small size, more efficientand easy to carry. Colour: black Material: metal Package Contents: 1 x riveted 4 x rivet heads 1 x wrench 1 x non-slip handle Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.