165 Piece 6 Point Standard & Deep SAE/Metric Mechanics Tool Set. DRIVE SIZE: 1/4″ 3/8″ 1/2. Full Polish Chrome Sockets With Large Hard Stamp Size Markings. Full Polish Chrome Combination Wrenches Feature Offset Box End And Off-Corner Loading Design To Reduce Fastener Rounding. 45 Tooth Full Polish Chrome Quick-Release Ratchets. Magnetic Bit Driver With Ergonomic Dual Material Handle. Includes long arm hex keys. Magnetic bit driver with ergonomic dual material handle. Extension bars feature a knurled grip, providing a non slip surface.