Includes a series of SAE and metric combination wrenches from 5/16in.— 3/4in. and 8mm- 19mm Open end is angled 15° so the wrench can be flipped over with each rotation to engage the fastener twice as often Box end is offset 15°, creating clearance for fingers and making it easier to reach around obstructions 12 point opening doubles the access angles of a 6 point Contacts and applies force to the flat sides of a fastenerner heads rather than the corners to prevent round-off
