MATERIAL – Aluminum handle and steel chuck. Resistance to acids and corrosion. The surface is smooth, strong but lightweight, easy to install and matches well with the rivet gun. 8 SIZES – 60*3.2x6mm, 60*3.2x8mm, 50*3.2x10mm, 50*3.2x12mm, 50*4x6mm,50*4x8mm,50*4x10mm,50*4x12 mm. PRODUCT FEATURES – Blind rivets feature a mandrel that allows for the formation of a swage at the blind end of the rivet and the expansion of the rivet shank during adjustment to connect the components of an assembly. PACKAGING – 420 pieces in 8 sizes, packed in a sturdy clear plastic case, easy to carry and put away. In addition, the box can be used as a storage box. WIDE APPLICATIONS - Mechanical and electrical engineering, shipbuilding, cabinets, automotive, household appliances and other industries. luckymeet