Features: Durable, high performance blade made from S2- steel -alloy,heat finished for hardness. 21 bits including SecurityTorx, slotted, hex Pentalobe, Torx, triangle, Y tri-wing, and SP2 etc Screwdriver passed aluminum oxidation treatment- in the surfaces, rustproof and fells smooth. Extension rod for hard to reach jobs, with convenient case- to firmly hold the driver and the bits. Antislip with Proof spinning- design for precise tooling Electronics-safe magnet- to protect electrical components- Specifications: Box Size:approx 10.3x14.3cm/5.63x4.05in Material: Steel+Alloy Quantity: 22PCS/Set(1xScrewsdriver, 21x bits) Package Includes: 1PCx Screwdriver Set note: No retail package. Please allow 0-1cm error due to manual measurement. please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you.