OBT1277 Features: * Adjustable geared flex-head with locking graduations, allows for locking ratchet head at the designed angle in tight spaces * Thumb pressure, push button release locking mechanism * Fine tooth gears for smooth ratcheting * Opening Size: 5/16 in, 3/8 in, 7/16 in, 1/2 in, 9/16 in, 5/8 in, 11/16 in, 3/4 in, 5/16 in [Min], 3/4 in [Max] * Opening Type: Open/Box * Measuring System: Inch * Price is for 1 Set Includes: * Includes: Sturdy Metal Case, w/Parts Storage Trays Color/Finish: * Finish: Full Polish