Sockets feature Surface Drive for greater gripping power. CRV, chrome-plated. Includes fully polished 3/8″ quick release ratchet, 3″ extension, 1/4″ 6-point standard sockets in sizes: 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 3/8″ 12-point metric sockets in sizes: 10mm, 12mm, 13mm, 14mm, 15mm, 17mm, 3/8″ Female x 1/4″ Male adapter, 1/4″ spinner handle, 1/4″ bit coupler, 6 bits: Slotted (5/32″, 7/32″, 9/32″), and Phillips (#1, #2, #3). Packed in a plastic case. Lifetime warranty.