the head 12 shown may have the advantage of allowing the user to swing the hammer 10 without needing to aim the head 10 hammers 10 with small heads 12 may be made for do it yourselfers while larger heads 12 may be more useful in commercial automotive repair facilities the hammer may weigh between about 10 and 12 pounds but lighter or heavier hammers can also be used in accordance with the present invention depending on the application while the weight of the hammer is not critical too light of a hammer will cause the user to swing the hammer very hard whereas too heavy of a hammer may make the hammer hard to aim the head of the hammer formed by the metals is preferably cylindrical having approximately a five to six inch diameter other sizes and dimensions can also be used some aspects of the invention have a handle 19 affixed to the second end 18 of the shaft 14 the handle 19 may allow for a more comfortable grip and may absorb some shock associated with striking the hammer 10 on a rim the handle 19 may be padded or have shock absorbing materials embedded therein according to one aspect.