Set contains: 3/8′ drive ratchet, 3′ and 6′ extension bar, 5/8′ and 13/16′ spark plug socket. 12-point SAE sockets: 1/4′, 5/16′, 3/8′, 7/16′, 1/2′, 9/16′, 5/8′, 11/16′, and 3/4′. 12-point metric sockets: 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm. Combination wrenches: SAE – 1/4′, 5/16′, 3/8′, 7/16′, 1/2′, 9/16′, and 5/8′; Metric: , 6mm, 8mm, 10mm, 12mm, 13mm, 14mm, 15mm. Magnetic bit driver. 44 insert bits, 13 SAE hex keys, and 13 metric hex keys. SAE nut bits: 7/16′, 3/8′, 1/4′, 11/32′, 7/32′, and 3/16′; Metric nut bits: 6mm, 7mm, 8mm, 9mm, 10mm,and 11mm. All in a durable case.