Compatible with Smith & Wesson Extended Cylinder Release / K, L & N Frame Revolvers by TK Custom Revolver Cylinder Thumb Piece / Release is designed with a large, checkered surface area for your thumb that provides a solid, non-slip surface pad, for faster opening of the cylinder during competition use.
TK Custom stainless steel cylinder releases are .800 long and are matte finish.
Fits S&W revolvers for competition use.
The replacement TK Custom Extended Thumb-piece is made for fit properly WHEN aligned properly during installation.
When installing the new thumb piece:
Remove the old thumb-piece & retain the screw head nut.
Place the TK Custom Extended Thumb-piece in to the slot where you removed the factory thumb-piece.
Replace the factory screw head nut (with a small drop of blue loctite placed on the threads) and slightly snug down the screw head nut, while aligning the new part in the slot of the revolver frame on the | and +.
Once new part is aligned screw the head nut down TIGHT.
Let the Loctite sit for a few hours until dried as required.