Bianchi 5BHL Thumbsnap Holster - Ruger Gp100 4-Inch (Tan) Integral thumb snap provides enhanced retention Hand boning provides a precise, contoured fit High ride 2" - 3" holsters have 1.75" (45mm) belt slot 4" and larger holsters have both 1.75" (45mm) and 2.25" (58mm) belt slots