4 Tool-free Interchangeable Rivet Heads: 3/32"(2.4mm), 1/8"(3.2mm), 5/32"(4.0mm) and 3/16"(4.8mm), and 80 pcs aluminum rivets. One-hand rivet tool: Ergonomic design, nonslip cushioned handle grips, thermo-Plastic-Rubber (TPR) material for maximum fit and comfort. Sturdy Material: Aluminum alloy body ensures premium anti-rust performance; Riveter coated with eco-friendly white zinc finish, protects your health and environment. Little but Powerful: This hand riveter is very handy but can handle three types of rivets: aluminum, steel, and stainless-steel rivets. Perfect for projects like construction, repair or craft making.