• CR-MO alloy steel for long life
• Heavy duty blow molded storage case
• Set includes: 3/16" (806), 7/32" (807), 1/4" (808), 9/32" (809), 5/16" (810), 11/32" (811), 3/8" (812), 7/16" (814), 1/2" (816), 9/16" (818), 3/16" (806D), 7/32" (807D), 1/4" (808D), 9/32" (809D), 5/16" (810D), 11/32" (811D), 3/8" (812D), 7/16" (814D), 1/2" (816D), 9/16" (818D), 4mm (804M), 4.5mm (8045M), 5mm (805M), 5.5mm (8055M), 6mm (806M), 7mm (807M), 8mm (808M), 9mm (809M), 10mm (810M), 11mm (811M), 12mm (812M), 13mm (813M), 14mm (814M), 15mm (815M), 4mm (804MD), 4.5mm (8045MD), 5mm (805MD), 5.5mm (8055M), 6mm (806MD), 7mm (807MD), 8mm (808MD), 9mm (809MD), 10mm (810MD), 11mm (811MD), 12mm (812MD), 13mm (813MD), 14mm (814MD), 15mm (815MD).