12 Pc. Met Flex Combo Wrench Set w/FREE 4 Pc. Met Flex Combo WR Set & 3/8IN DR 90T Full PLSH Stubby The GearWrench 9901 12-Piece 12-Point Metric Flex Combo Ratcheting Wrench Set will allow you to work in the most difficult positions with a flex head that can tilt up to 180 degrees It also has a serrated wrench beam that provides feedback on which direction to pull Lastly, Surface Drive technology offers a better grip over fasteners to provide a more efficient and safe use . Adjustable set screw allows you to set desired head tension Surface drive reduces fastener rounding providing a better hold Ratcheting box end needs as little as 5 degrees to move fastener compared to 30 degrees for standard box end wrenches Flex-Head tilts up to 180 degrees at any interval Serrated beam allows you to feel which way to pull . 12-Piece Metric 12-Point Flex-Head Combo Ratcheting Wrench Set - 9901 9901DRT