To replace the traditional flip-Lock diver's clasp, 2015 released this V Clasp double lock buttoned diver's clasp. V Clasp was made from solid 316L stainless steel with 6 micro holes for more flexible fine tune length adjustment. Featured in V shape safety lock, streamlined form & chamfer edged design to giving a more massive look. It's not difficult to find that's more solid & heavy than the old flip-Lock diver's clasp. V Clasp is an ideal diver clasp for watch band of thickness approximates 4.0 - 5.0mm.Buckle size: 18mm (Strap Buckle size)Buckle type: 316L stainless steel, 6 adjustment holes and reformed Double-Locks Chamfer Edge Diver ClaspThickness: Apply for Strap thickness approx. 4-5mmOverall Thick:7.2mm thickOverall Length: 42mmOverall Width: 20mm / 22mm / 24mmMaterial: Stainless Steel (Top Quality 316L)Color / Finish: BrushedNet Weight : 23gAdjustment type: 6 micro holes (15mm) for flexible fine tune length adjustment Designed to fit Mesh, Metal or Silicone Watch Strap in thickness approx. 4 - 5mm