Bianchi Thumbsnap Holster, Model 5BH is a Bianchi classic that is ideal for field and casual concealment of most revolvers. The steel-reinforced thumb snap provides retention while the design of the leading edge protects the adjustable rear sight found on many revolvers. 1.75inch belt loop with combination 1.75inch and 2.25inch loop on 4inch and longer barrels. Features: Integral thumb snap provides enhanced retention. Carries gun close to body for added comfort. Closed muzzle. Hand boning provides a precise, contoured fit. High ride. 2 - 3 (50mm - 76mm) holsters have 1.75 (45mm) belt slot. 4 (102mm) and larger holsters have both 1.75 (45mm) and 2.25 (58mm) belt slots.