- Flex Head tilts up to 180 degrees at any interval
- Surface Drive design nearly eliminates fastener rounding
- Adjustable Set Screw allows you to set desired head tension with Spring Washer Design providing continuous head tension
- Ratcheting box-end needs as little as 5 degrees to move fastener VS. 30 degrees for standard box end wrenches
- Serrated wrench beam allows you to feel which way to pull
