Metric Sizes Includes: 6x8mm, 8x10mm, 10x12mm, 11x13mm and 14x17mm. Sizes Conveniently Etched Into Each Tools Shaft Head for Quick and Easy Reference. Knuckle Saving Off Set Design Keeps Wrenches from Slipping off of Nuts and Bolts. Flip Switch Allows for Loosening and Tightening Nuts and Bolts in the Same Direction and Position. Designed to Get Into Hard to Reach Places.
