Features: Innovative double ended hexagonal socket adapter with telescopic design combines two size (8/14/10/17/12/19mm) in one tool, crafted from steel for enhancing torques transmission. Precise engineered with hexagonal socket compatibility for power drills/impact wrenches, featuring electroplating that resists corrosion in harsh workshop environment. Essential for professional mechanics and DIYer enthusiasts requiring reliable socket tool for automotive repair and machinery maintenance tasks. Optimizes workflow in garage workshops, industrial assembly lines, and home maintenance projects through its various size ranging and antislip grip surfaces. Heat treated construction meets industrial hardness standards, ensuring deformation resistance during high torques fastener operations. Specifications: Size: Sleeve 79mm Weight: 436g Specifications: 8/14/10/17/12/19mm Package Includes: 1 Set Hexagonal Socket note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.