Features:* Removable extension can meet the operational requirements in various spaces. It is detachable, convenient to store and save space* 19 kinds of application head bits of various home scenes. Labor-saving and efficient* The bit magazine is easy to use, spacious, easy to pick and retrieve* The ergonomic handle is oil-resistant and anti-slip, which is comfortable to hold. Specifications: Model: 19 in 1 Replaceable Ratchet Screwdriver Set Material: Alloy Steel With Magnetic System: Metric System Size: As Picture Shown Application: Maintenance of children's tools (toy car, small alarm clock, etc.), travel tools (bicycles, electric vehicles, etc.), items Home Furnishings (Cabinets, Tables and Chairs, Door Knobs, etc.), Home Appliances (Electric Fan, Switch, etc.) Package Included: 1 x Screwdriver Set Note: Passage: 1cm = 10mm = 0.39 inch. Please allow 0-error 1cm due to manual measurement. Pls make sure you don't mind before bidding. Due to the difference between different monitors, the picture may not reflect the actual color of the item.