Gevril 20mm Polished Stainless Steel Tang Buckle Width: 20mm Pin width: 2.8mm Available colors: Stainless Steel, Black Stainless Steel Applicable collections: Rubber This clasp fits to the Gevril 22mm rubber strap for tang buckle: GEV22.07.13.4.R Measure the width from side to side where the buckle attaches to the band. Be aware that many watch bands have a taper and are more narrow at the end where the buckle attaches than at the end where the watch attached.