This is a new box of 250 pop rivets. 3/16" diameter aluminum body and aluminum mandrel. The grip range is 0-.375" these rivets are designed to be the best performing on the market.

• Exploding design for superior fastening (splits in three directions)
• Works great when you cannot access the back of the rivet with a washer
• No back-up washer needed
• Easy to drill out
• Stronger rivet, clamps and holds tight  
• Easy-enter pointed nail that does not leave sharp edges sticking out

Perfect for circle track racing "IMCA, Wissota, UMP, USMTS and more", also great for dune buggies, pulling trucks, off-road and sport utility.