Carlson's Hammer Expander provides easy cocking for left- or right-hand use at all times. Balanced and lightweight, it is easy to install and helps prevent uneven wear of trigger and sear surfaces. The knurled body affords positive non-slip cocking and it may be used with or without telescopic sights. The hammer expander is .375" in diameter and 1.5" in length. Made in USA. This model has a black hard anodized finish and is compatible with Henry Big Boy rifles (post 2010).
Specifications:

Type	Hammer Extension
Model	Henry Big Boy (post-2010)
Dimensions	.375" Diam x 1.5" L
Size
Material	Aluminum
Action
Trigger
Safety
Thread Pattern
Finish	Black Hardcoat Anodized
Bolt Type
Hand	Ambidextrous
Hammer Type	Exposed
Max Capacity