TRACK RIVETS FOR CHASSIS, TRACK CLEATS, SLIDES OR STUD MOUNTING APPLICATIONS. FINEST QUALITY * ALL STEEL POP RIVETS * MADE IN USA * SOLD IN PACKAGES OF 100 OR 1000 * PRIMARY USAGE: RUPP & SKI DOO HYFAX SLIDES DESCRIPTION: SS66D 100 PIECES A) FLANGE HEAD WIDTH: 3/8" B) HEAD LENGTH: 1/2" C) HEAD WIDTH: 3/16"