Easy to use and practical, has a long service life. It is a prefect tool for bicycle. Features: Made of fine quality chrome vanadium steel, has a long service life. Easy to use and carry, wear-resistant, not easy to rust. Different specifications of the bit can meet different needs. The handle is easy to hold, comfortable and non-slip. Suitable for home, tool lovers, on-board spare, bicycle repairing and other occasions. The bits are magnetic and can be better fitted to the connector. 1/4" ratchet wrench can be switched and locked in the left and right direction. Specifications: Main material: chrome vanadium steel Main color: silver Bit quantity: 22pcs PH: 1, 2, 2, 3 Slot: 3, 4, 5, 6 PZ: 1, 2, 3 Hex: 3, 4, 5, 6 Socket quantity: 10pcs Socket size: 5.5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm Extension bar length: 50mm, 100mm Coupler size: 1/4" DR. * 1/4" Hex Package size: 156 * 85 * 48mm / 6.1 * 3.3 * 1.9in Package weight: 750g / 1.7lb Package list: 10 * Spline Socket 22 * Bit 1 * Universal Joint 2 * Extension Bar 1 * Spinner Handle 1 * Ratchet Handle 1 * Coupler 1 * Tool Box