The Klein 70571 Grip-It hex-key set has blades that rotate independently up to 270-Degree. It fits perfectly so that the hex tool end reduces stripping problems. The keys are industrial strength, impact-resistant and tested for performance to below freezing temperatures.Warnings NOT insulated. Will NOT protect against electrical shock. Do NOT use a pipe or similar extension to increase leverage. Always wear approved eye protection. Features Handy sets fit your pocket or tool box easily and help eliminate the lost-key problem Ball design allows for a thicker neck diameter increasing torque capacity while maintaining operational angles to 25-Percent Handy hex key sets fit your pocket or tool box easily and help eliminate the lost-key problem Tough, heat-treated alloy steel Made in USA Holder serves as a handle Hex-key ends are square-cut for a secure full-depth fit and maximum contact with the hex socket to prevent slippage and stripping of the socket Two key positions (straight-out or right angle) for extra leverage Size: 3/16 in, 7/32 in, 1/4 in, 5/16 in, 3/8 in Handle Length: 4.438 in (11.3 cm) Key Length: 1.547 to 2 in (3.9 to 5.1 cm) Depth: 4.400 in Width: 1.130 in Height: 1.590 in Weight: 0.58 lbs (9.3 oz / 263 g) End Type: Ball Material: Heat-treated alloy steel Color: Yellow Country of Origin: United States DownloadsSpec SheetVideo DownloadVideo Download