Replacing OEM numbers : 49-16-3453, which is a direct replacement for the old or broken one. Compatibility: This product is compatible with Milwaukee M12 Fuel 1/4inch Hex Impact Driver (Note: Not for use in or near live circuits). Product material: This product is specially designed and made of rubber, which has a long service life and is not easy to damage. Easy to install: Direct replacement without adjustment, perfect compatibility and high reliability. Note: Please confirm whether the above compatible models are consistent with your needs., Manufacturer: Briny River