Products as accessories can be combined with different types of power tools, the minimum torque force of power tools is 15 Nm Package contents: 1 adapter ` riveter, 2 wrenches, DIY supplies: carpentry, stainless steel, pipes. Type: air gun nail head - Power source: works with electric drill - Max RPM: 1000 rpm Operation method: 1. Choose the right opening size for your rivet, there are 4 to choose from. 2. Attach the tool to a cordless drill. 3. Hold the tool, before it starts to work. grab the rivet, strike upside down on your drill until until you feel a click. The rivet can be mounted once the teeth have widened. Put the rivet into the tool and slowly hold the handy part of the tool and pull the trigger of the drill when you feel it start to pull. grab the rivet. 4. Put it in the hole you want to rivet and hold the practical part and hit the drill full power. 5. Once the rivet pops, hold the handy part of the tool and strike with it. upside down on your drill. 6. The teeth widen and the old shaft begins to grow. rivet will fall to the ground. Return your drill to the forward position and rinse