Eazypower 73613 Isomax Flex-A-Wrench Socket Extension, 3/8" Drive, 11"Used in hard to reach places such as cars, kitchen cabinets, furniture and appliances. Flexes to 90 degree, the only flexible extension where entire outer surface does not rotate. Outer cover does not rotate so it can be used safely at any speed. Length: 11" Drive: 3 8" 13 foot pound rated Flexes to 90 degree, the only flexible extension where entire outer surface does not rotate Outer cover does not rotate so it can be used safely at any speed Used