Our ratchet screwdriver kit includes 66pcs 6.35mm screwdriver bits (18 pieces of 75mm long screwdriver bits and 48 pieces of 25mm short screwdriver bits), 1pc screwdriver bit connecting rod (50mm) and 1pc ratchet screwdriver bit handle to meet your . The cutter head of screwdriver maintenance tool kit is made of high-quality chromium-vanadium alloy, which has high hardness, high precision and good toughness and will not damage the equipment. Ergonomic ratchet handle with 36 teeth, comfortable grip and convenient work. Suitable for quartz watches, digital cameras, radios, tablet computers, mobile phones, drones, joysticks, notebook computers, etc. Ratchet screwdriver combination set is a very good gift! Equipped with a storage box, it is easy to store and carry at any time. Name:Ratchet screwdriver combination set Colour:Black & Silver Material:steel Package Contents: 1 * Ratchet screwdriver combination set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.