The track can be adjusted at will, suitable for screws with a diameter of 1‑5mm Specification: Item Type: Automatic Screw Feeder Model: SPLSPL-168 Material: ABS Output Speed: 2pcs/sec Voltage: DC 15V Adapter Voltage: AC100-240V Screw Capacity: 200cc Screw Diameter: Approx. 1 ~ 5mm / 0 ~ 0.2in Applicable Screw Length: Suitable for screw length less than 20mm Package List: 1 x Screw Machine 1 x Wrench 1 x User Manual 1 x Adapter Note: 1. This product is only suitable for screws with screw caps with screw diameter 1‑5mm and rod length less than 20mm 2. Don't put too many screws in one time, it will affect the moving direction and transmission speed of the screws 3. The brush should be installed as far as possible to the screw position, not too high or too low Note: 1. This product is only suitable for screws with screw caps with screw diameter 1‑5mm and rod length less than 20mm 2. Don't put too many screws in one time, it will affect the moving direction and transmission speed of the screws 3. The brush should be installed as far as possible to the screw position, not too high or too low