PL21 plastic push-in rivets feature a Christmas tree shaped barbed design for secure fastening in automotive and interior trim applications.Made of nylon, these rivets are available in black or white and come in lengths of 60 mm, 80 mm, and 100 mm with a nominal diameter of M10.Suitable for attaching trims, covers, and liners to sheet metal or plastic substrates.The barbed structure provides a firm grip without loosening, and the fasteners can be installed or removed using standard tools for convenient maintenance.