Fits Models: Smith & Wesson K, L, and N-Frame Revolvers...
Round or square-butt frames: Models 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28 29, 48, 53, 56, 57, 58, 64, 65, 66, 67, 68, 242, 329, 396, 520, 547, 581, 586, 610, 617, 624, 625, 627, 629, 648, 657, 686 and 696.
* Will not fit K-Frame Scandium revolvers.