CRAFTSMAN Hammer, 20 oz Fiberglass General Purpose (CMHT51399) The 20oz. CRAFTSMAN fiberglass hammer is built for durability against overstriking with an added protective portion where most fiberglass hammers break. This added feature will give the hammer a longer life and added durability for frequent use. Features Overstrike protection for added durability where fiberglass handles are most prone to break Overmold grip for improved grip during use Driving and pulling nails USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.