• CR-MO alloy steel for long life
• Heavy duty blow molded storage case
• Set includes:
• 5/16" (310)
• 3/8" (312)
• 7/16" (314)
• 1/2" (316)
• 9/16" (318)
• 5/8" (320)
• 11/16" (322)
• 3/4" (324)
• 5/16" (310D)
• 3/8" (312D)
• 7/16" (314D)
• 1/2" (316D)
• 9/16" (318D)
• 5/8" (320D)
• 11/16" (322D)
• 3/4" (324D)
• 8mm (308M)
• 9mm (309M)
• 10mm (310M)
• 11mm (311M)
• 12mm (312M)
• 13mm (313M)
• 14mm (314M)
• 15mm (315M)
• 16mm (316M)
• 17mm (317M)
• 18mm (318M)
• 19mm (319M)
• 8mm (308MD)
• 9mm (309MD)
• 10mm (310MD)
• 11mm (311MD)
• 12mm (312MD)
• 13mm (313MD)
• 14mm (314MD)
• 15mm (315MD)
• 16mm (316MD)
• 17mm (317MD)
• 18mm (318MD)
• 19mm (319MD)