Smith & Wesson N frame yoke screw, blue $10.00 Part 34 on the exploded diagram. Used, excellent condition blue yoke screw from a Model 57, N frame revolver. Will fit other models of N frame revolvers. Out of stock Category: Smith & Wesson Related products Smith & Wesson J Frame Rimfire Shooters Pack $19.97 Smith & Wesson K / L / N Frame Standard Shooters Pack $29.97