Feature: 1. Set Contents: Our rivet nut hand tool set comes with 1 battery, 1 charger, 1 rivet nut gun, 1 wrench, 6 gun heads and 1 storage box. 2. No Reverse Button Need: The rivet nut hand tool's button is off in the middle and automatically retires the nut, no reverse button required. 3. 2 Gear Available: The rivet nut hand tool has 2 gears. 1 gear low speed is for pulling stainless steel nuts, 2 gear high speed is for pulling aluminum nuts. 4. Ergonomic Stable Handle: This rivet nut hand tool has an ergonomically designed handle that is strong and durable for your comfort. 5. Wide Range of Use: Rivet nut hand tools are ideal for mounting molding, chair rails, cabinets and other fine machining applications. Specification: Item Type: Rivet Nut Gun Model: BS802K Material: ABS, Stainless Steel Battery Voltage: 20V Battery Type: Lithium battery bs2020 x 2 (2.0ah each) (shipping with matching battery) Guide Nozzle: Approx. 3.2mm / 0.13in,4.0mm / 0.16in, 4.8mm / 0.19in Pulling Capacity: Approx. 3.2-4.8mm / 0.13 to 0.19in Rechargeable Temperature Range: 0-45℃ Plug Type: US Plug 100-240V Rivet Nut: 2 gear high speed for pulling aluminum nuts, 1 gear low speed for pulling stainless steel nuts Application: Ideal for mounting molding, chair rails, cabinets and other fine machining applications.. Package List: 1 x Battery1 x Charger1 x Rivet Nut Gun 1 x Wrench6 x Gun Head 1 x Storage Box Note: Please use the voltage power supply specified on the charger nameplate.