【4 Nosepieces】 The professional riveter tool comes with 4 manual Interchangeable Rivet Heads: 3/32"(2.4mm), 1/8" (3.2mm), 5/32"(4mm) and 3/16"(4.8mm)【Heavy Duty】Heat-treated Chrome Vanadium alloy steel mandrels make the Rivet toolsets more durable than carbon-steel rivet gun sets. Five sizes of mandrels in the tool kits can meet the needs of various jobs.【Wide Applications】The riveter tool sets with ergonomic handles maximize leverage and for easy operation, save energy. Delicate Shape Heavy Duty Nut riveter tool is Ideal for Plastic Metal Leather Vehicles.【Easy Riveting】Unique design and thoughtful instruction Manual allow for easy changing of mandrels of rivet gun kit by Hand.【What You Get】 The hand riveter set includes: 1*Rivet Gun, 4*mandrels, 100pcs rivets, 1*User Manual. Any questions, please share them with us and we will solve all the problems for you.