MATERIAL: Constructed of chrome vanadium steel, the drill bits have high hardness, good wear resistance and long service life. Ideal tool for repairing and maintaining household appliances. BUTTON DE SWITCHING: Press the switch button to extract drive bits to use. EFFICIENT: Equipped with a quick ratchet, convenient for rotating bits and reducing hand fatigue. CONVENIENT TO CARRY: Delivered with a carrying bag, the ring is behind the belt or the pocket. It's convenient to carry with you. Features: Bit specifications: Cross: PH0, PH2 Location: 3.0, 6.0 U-shaped: 4.0, 6.0 Hex: 5.0, 6.0 Tri-point: 2.0 Triangle: 2.3 Key size: About 10.5 * 2.3cm / 4.13 * 0.91in Extension rod length: about 6cm / 2.36in Weight: about 218g Package included : 1 x ratchet 1 x extension rod 10 x screwdriver bits 1 x cloth bag black Note: Please allow a little deviation due to manual measurement. Thank you for your understanding. It does not include other things, the color is based on the first picture, and other