• Cr-MO alloy steel for long life
• Heavy duty blow molded storage case
• Set includes:
• 12mm (212UM)
• 13mm (213UM)
• 14mm (214UM)
• 15mm (215UM)
• 16mm (216UM)
• 17mm (217UM)
• 18mm (218UM)
• 19mm (219UM)
• 20mm (220UM)
• 21mm (221UM)
• 22mm (222UM)
• 23mm (223UM )
• 24mm (224UM)