1 inch Head Size  •  0.401 inch Shank  •  Ajax Tool Works 1 in. 0.401 Shank Smoothing Hammer

1-1/4 inch Width (Blade)  •  0.498 inch Shank Diameter  •  3.9 inch Length  •  Chicago Pneumatic A047091 Air Chisel, 1-1/4-Inch Smoothing Hammer, .498 Shank for CP717

1 inch Face Diameter  •  0.401 inch Parker Shank  •  SMOOTHING HAMMER