Sizes given are for the width of the inside of the clasp and the second size is for the width of the gap at the other end of the clasp. Clasp width: 10mm, Width of gap at other end: 6mm. Clasp width: 12mm, Width of gap at other end: 7mm.
Watch Bracelet Catch Clasp Stainless Steel Replacement 3-Fold Tri-Fold Safety
Fold Over Watch Bracelet Clasp Replacement Catch Stainless Steel Gate Fastener
Watch Bracelet Strap Extender Fold Over Single Slot Gate Clasp With End Piece
Split Pins Watch Bracelet Link Pins Replacement Repair 8mm - 22mm Watch Parts
360pcs 6mm-23mm Watch Band Link Cotter Pin Watch Bracelet Strap Link Pins
18mm for LONGINES SILVER Tongue Classic Buckle Leather Watch Strap Band Clasp