General description YMYNY 86Pcs Rivet Gun is a versatile tool designed for setting rivet nuts to create durable threads in thin-walled or various materials. It features a depth stop adjustment wheel to prevent overtightening and damage to threads. The tool is easy to use, equipped with plastic-coated handles for comfortable operation, and comes with a variety of aluminum alloy rivets in different sizes. Technical specifications Gun Body Material: Steel Rivet Nut Material: Aluminum Alloy Handle Cover Material: Rubber Color: Black and Blue Total Length of Rivet Tool: approximately 27 cm / 10.63" Rivet Sizes Included: M3, M4, M5, M6, M8 Quantity of Rivet Nuts: 20pcs x M3, 20pcs x M4, 20pcs x M5, 10pcs x M6, 10pcs x M8 Usage The YMYNY Rivet Gun is ideal for general metalworking, electrical parts assembly, channel laying, and other operations requiring secure fastening.