SPECIFICATIONS Brand Name: LIXIU Choice: yes Hing-concerned Chemical: None Material: Chromium-vanadium Steel Origin: Mainland China • Powerful Socket: The hexagonal wrench socket is made of chromium-vanadium steel, making it strong and durable. • Inner Hexagonal Wrench: The inner hexagonal wrench design allows for easy and secure attachment to screws and bolts. • Pneumatic Screwdriver Insert Tool: The pneumatic screwdriver inserts tool makes it easy to use and provides a more efficient way of working. • Socket Extension Rod :The socket extension rod allows for easy and convenient access to screws and bolts in hard-to-reach areas. Product information Features: Product use: screw tightness, dovetail screws, etc The overall product is made of chrome vanadium steel, which is sturdy, durable, and wear-resistant Universal hexagonal shank: shank diameter: 6.35MM (1/4 inch) standard hexagonal shank Specification:(Please refer to the detailed diagram below for specifications and dimensions) Package included: 14 piece specifications: 3/16 (4.76mm), 1/4 (6.35mm), 9/32 (7.14mm), 5/16 (7.93mm), 11/32 (8.73mm), 3/8 (9.53mm), 7/16 (11.11mm), 5mm, 5.5mm, 6mm, 7mm, 8mm, 10mm, 12mm 9-piece specification: 5mm-13mm Notes: 1. Manual measuring, please allow 1 ~ 3mm error,thank you. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the picture.