Feed angle of 6 degrees allows it to be turned in tight spaces. The next generation electric ratchet dramatically improves work efficiency! Set contents: [Bits] 18 (+1, 2, 3, -4, 6, 10H, 15H, 20H, 25H, 27H, 30H, 40H, Hexagonal 2, 2.5, 3, 4, 5, 6) [Sockets] 9 (Hexagonal 8, 10, 12, 13, 14, 16, 17, 18, 19) [Extension bars] x 2 [Universal joint] x 1 [Socket adapter] x 1 [USB charging cable] x 1.