Feature: 1. Quick release and installation, excellent ergonomics, strong strength and powerful additional functions. 2. Alloy forged gun head, enhance hardness, sturdiness and durability, and long service life. 3. Hex connecting rods are firmly clamped and can be connected to lithium electric drills, torsion drills, etc. 4. Have humanized design, simple operation, easy to install, convenient to use and operate. 5. With excellent performance, can be used to replace old or damaged electric rivet nut gun drill adapter. Specification: Item Type: Electric Rivet Nut Gun Drill Adapter Tip Material: High-Speed Steel Shell Material: Nylon Connector Size: Approx. 6.5mm / 0.3in(hex) Rivet Head: Approx. 2.4mm / 0.09in Approx. 3.2mm / 0.13in Approx. 4.0mm / 0.16in Approx. 4.8mm / 0.19in Applicable Rivets: Approx. 1.8mm / 0.07in Approx. 2.4mm / 0.09in Approx. 2.8mm / 0.11in Approx. 3.3mm / 0.13in. Package List: 1 x Rivet Gun Adapter1 x Hex Wrench1 x Chuck Note: