Bench Model Rivet Spinner The basic tool for joining chain loops. FEATURES * Spins all chain rivets up to .404" pitch * Adapts easily for spinning 3/ 4" rivets when used with the 3/ 4" -pitch rivet spinner adapter kit. SPECIFICATION 24549A Bench-model rivet spinner Replacement Parts NOTE: Use SAE parts only on obsoleted spinner P/ N 24549-s, use metric parts only on spinner P/ N 24549-si.