Windage screws must be broken anytime a standard sight blade is replaced; here are the replacements. Some "J" frame models may use a smaller head diameter. The screw in this kit has a .217" diameter head. Mfg: Brownells SPECS: Single Pak contains 1 windage adjustment screw w/nut, 2 detent plungers and 2 springs. Six Pak contains 6 windage adjustment screws w/nuts, 6 detent plungers and 6 springs.
