Reconstructed Anglo-Saxon Winchester claw hammer from the 11th century

a reconstruction and test of the 11th century Anglo-Saxon claw hammer from Winchester in the UK, find 400 (see; Biddle. M.; object and Economy in Medieval Winchester page 320), this reconstruction is in hand forged S275JR steel and shows it being tested on a 7mm square oak shingle peg as well as four Anglo-Saxon nail designs (wastling's typolagy, nails A to D), as the standard Anglo-Saxon nail is tapered only an initial jolt is required to remove the nail, to acompany this videa there is a pdf available on Anglo-Saxon claw hammers available from our facebook site; Daegrad Tools, the size of the hammer is 20mm square strike face with a 110mm length and a weight of 225g