Crane Ball Drilling Fixture For S&W - Crane Ball & Spring Refill

Adding a spring-loaded, locking ball in the cylinder crane is standard practice on Smith & Wesson K, L and N Frame revolvers, especially when installing a bull barrel. Steel fixture holds the crane secure and in proper alignment for drilling; makes it virtually impossible to mislocate the hole or drill at the wrong angle. Comes complete with No. 30 drill bit, .125" diameter locking balls, springs, and staking punch. Mfg: Power Custom SPECS: Drilling Fixture - Steel, blued finish. 1A 1/2" (3.8cm