Gearwrench WR 21MM FLEX 12PT

Features and Benefits:

• Ratcheting box end needs as little as 5 degrees to move fastener vs. 30 degrees for standard box end wrenches
• Surface Drive® design nearly eliminates fastener rounding
• Flex head tilts up to 180 degrees at any interval
• Adjustable set screw allows you to set desired head tension
• Serrated beam allows you to feel which way to pull