High Strength Link Rod Cordless Electric Rivet Gun Adapter Machine Hand Drill Set Heavy Duty Nut Riveting Insert Lightweight Tool         Feature: 1. The shell is made of high hardness aluminum casting material, which is durable and stronger. 2. It's not tiring to work for a long time, and the human body feels comfortable holding it. 3. Alloy steel forged gun head, durable, labor-saving and efficient. 4. The handle is made of hard plastic, and the surface is non slip. 5. The high strength link rod can better match the gun drill. Specification: Package size: 19 * 14 * 3cm/7.48*5.51*1.18'' Main material: aluminum alloy Style: A, B, C, D User Manual: 1. Adjust the drill to a suitable gear. 2. Open the electric drill chuck, insert the adapter and forward clamp joint. 3. Turn on the reverse function of the drill until the sound of ''dada'' is heard, and then put in the willow nail of appropriate specification. 4. Then turn on the forward rotation function to align the drilling hole and insert the willow nail. 5. Then turn on the reverse function and exit the willow nail. Note: Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding.