SK 1/4 Drive Socket Set with 216-P Quick-Release Ratchet, 50-Piece, SAE & Metri. Heat treated Chrome Vanadium Steel ensures durability and extreme torque strength. SuperKrome Plating delivers toughest finish with high polish plating which results in jewelry-like finish providing long life and maximum corrosion resistance. Comes with a professional thumbwheel ratchet. 216-position ratchet realizes a 1.7 ° swing arc to turn a fastener in tight space with ease. The quick release button easily locks and replaces sockets. Thumbwheel design enables you to tighten or loosen fasteners with a flip of thumb. 1/4 drive including 24 pcs metric shallow&deep sockets 4, 5, 5.5, 6, 7, 8, 9, 10, 11, 12, 13, 14 mm and 22 pcs SAE shallow&deep sockets 5/32, 3/16, 7/32, 1/4, 9/32, 5/16, 11/32, 3/8, 7/16, 1/2, 9/16 Inch. Clear size markings for easy identification. A universal joint provides a secure connection with the drive tool. With 2 extension bars(2 “&6 “) in this set, you can access to hard to reach areas and flexibly change angle, saving time and labour, making job more efficient. Storage suitcase to keep all these tools organized. High visibility size markings for easy tool identification. Provides great protection, organization, and accessibility for your professional use. Any product you return must be in the same condition you received it and in the original packaging. Please keep the receipt. We usually respond within 24 hours on weekdays. Thank you for shopping at our store.