Feature:1. For M3 M4 Nut: The free speed can reach 1500rpm, and the self locking rivet head is suitable for M3 and M4 nuts with strong practicability.2. Durable Material: Made of excellent alloy steel material, with high hardness and wear resistance, and not easy to deform.3. Standard Connector: With standard 1/4in air inlet interface, which is easy to connect and no leakage, suitable for various industrial riveting operations.4. For Parts Fastening: Suitable for fastening in various metal sheet, pipe, cabinet and chassis manufacturing industries.5. Fine Production: The pneumatic riveting tool kit is finely manufactured, with strong power, efficient and labor saving.Specification:Item Type: Pneumatic Rivet ToolMaterial: Alloy steelProduct Model: KV-7801EFree Speed: 1500rpmWorking Pressure: 0.6-0.8MPAWorking Range: M3 M4Inlet Connector: 1/4in.Package List:1 x Pneumatic Rivet Gun2 x Riveting Head2 x Spacer1 x Hanging RingNote:Before use, confirm whether the chuck is fixed properly to ensure that the air nozzle does not leak.