These are made of a medium-carbon crucible cast steel. They must be hard though not brittle. Hand hammers weigh about two pounds, and sledge hammers weigh from 5 to 20 pounds, though for ordinary work about 10 pounds.

Fig. 139 shows a hand hammer with a cross pene shape of small end. Tig. 140 shows a sledge with a straight pene shape of small end.

Straight Lipped Tongs.

Single Pick Up Tongs.

Gad Tongs. Fig. 141. - Tongs.