The set includes a rivet gun and 150 rivets. Working range of the rivet gun: 2.4 mm (3/32"), 3.2 mm (1/8"), 4 mm (5/32"), 4.8 mm (3/16"). Sizes of aluminum rivets: 3.2x8 mm 30 pieces, 4x10 mm 30 pieces, 4.8x10 mm 30 pieces. Sizes of stainless steel rivets: 4x7 mm 30 pieces, 4.8x10 mm 30 pieces. TOPTUL tools are manufactured with the most demanding tasks in mind. Precisely selected materials, high accuracy of workmanship, and resistance to deformation and cracking determine their immense popularity and excellent reputation. Combined with exceptional surface finish and affordable price.