Specification:Type: Rivet AdapterMaterial: Plastic + MetalColor: Blue and BlackNozzle size: M3,M5,M6,M8How to Use:1. Pick the right size opening for your rivet, there are 4 to choose from.2. Attach the tool to cordless drill.3. Hold the tool, before it starts to grab the rivet, hit reverse on your drill until you feel click. The rivet can be fitted in once the teeth widen. Put the rivet in the tool and slowly hold the handy part of the tool and pull the drill trigger, when you feel it start to grab the rivet.4. Put it in the hole that you wish to rivet and keep holding the handy part and hit the drill at full.5. Once the rivet pops, keep holding the handy part of the tool and hit reverse on your drill.6. The teeth will widen and the old rivet shaft will drop to the ground. Put your drill back in the forward position and rinse and repeat.Package Included:1 x Set of Riveter Adaptor( not included the power tool)Dear customer, we have a perfect pre-sale and after-sales service system, if you have any questions, please contact us in time.