Easy use spring loaded handle ejects rivet stem; Four nose pieces and wrench store in handle for versatility and convenient storage; Accepts aluminium and steel rivets for wide range of applications; Rugged steel construction for long-lasting durability; Long handles make riveters easy to squeeze; Processed steel and aluminum rivets with 2 mm (3/32 ''), 3 mm (1/8 ''), 4 mm (5/32 '') and 5 mm (3/16 '') diameter