Description： Material : Aluminum alloy Dimensions are shown. Color: Multicolor Package includes： 1 x Screwdriver assembly Notice : Due to the difference between different or color reflecton in the lighting,background etc, the picture may not reflect the actual color of the item. Please allow 1-5mm error due to manual measurement. The Appearance Design Of A Is Similar To A "piano Key". The Bit Storage Adopts A " Clip Design", And When We Want To A Bit From The Collection, We Need To The "key" To It. The Special Curved Design Allows The Set To Be Tied To The Belt And Not Larger Than The Phone. Compact And Convenient, Easy To Store. 【 Composition And Usage 】 This Bidirectional Precision Screwdriver Set Includes 10 Screwdriver Heads And 1 . They Are Mainly Used For Household And DIY, But Are Not Suitable For Industrial Use. This Screwdriver Head Set Handle Is Made Of Aluminum Alloy And Is Sturdy And Durable. Mechanism: This Pointed Right Angle Combination Screwdriver Set Is Equipped With A 16 Tooth Reversible System To Suitable For Various Purposes: Lightweight Drill Bit Adapters With Higher Torque Levels Can All Types Of 1/4 Inch Hexagonal Drill Bits. This Set Can Work Well In Enclosed Or Indoor Environments Such As Machines, Cars, Ships, Airplanes, RVs, Etc.