100pcs Steel Domed Head Open End Pop Rivets Blind Rivets 1/8" M3.2 Diameter

Both the hat and mandrel are pre-assembled and ready to use. EXAMPLE: If the length of the hat is 1/2" the rivet is actually a 3/8" grip (.375), also known as a 4-6 rivet. 100Pcs Open End Blind Rivet.