Park Tool 21oz Shop Hammer (HMR-4) BSS-003284 Dyson's unique design integrates the

Dyson's unique design integrates the battery in the frame for a smoother

now with added assistance to get you up those hills faster to enjoy riding further and for even longer

They are also the innovators of the Lock-On Grip system

so you can match or clash with all of Muc-Off's other precision hardware for a total dialled-in style

Park Tool 21oz Shop Hammer (HMR-4) BSS-003284 Dyson's unique design integrates theAbout Park Tool 21oz Shop Hammer (HMR 4) Park Tool's versatile and durable shop hammer is a perfectly balanced striking instrument built for a wide variety of shop uses, from removing press fit bottom bracket cups to installing star fangled nuts. Features a precision machined forged steel striking face as well as a non marring replaceable nylon mallet head. Fiberglass shaft with soft touch grip handle. Features Weight: 880 g (31 oz.) Head weight: 590