Ratchet Die Stock,thread tooth made of alloy steel, die stock head body made of cast iron, head holder made of aluminum... Ratchet Die Stock STR-05 Item No. Specs. Qty/Ctn G.W/N.W Carton Size inch sets kg cm STR-105 1/2",3/4",1" 2 10/9 44*26*25 STR-106 1/2",3/4",1",1 1/4" 2 12/11 44*26*25 STR-107 1/4",3/8",1/2",3/4",1",1 1/4" 2 14/13 44*26*25 Ratchet Die Stock