Features: 100% brand new and high quality. Industrial-grade spring steel flexible post extension. Material: Chrome vanadium spring steel. Weight: 1/2 (330g), 3/8 (153g), 1/4 (55g). Scope of application: This product is suitable for a variety of scenarios including automobiles, bicycles, and mechanical maintenance. Lightweight Size: Compact and portable, easy to store and carry, providing convenience. Package Includes: 1x Electric Wrench Spring Extension Rod. Specifications: Material: Chrome Vanadium Steel Spring Steel. Color: As the Picture Shows. Product Dimensions: approx. 252x12.5mm/9.92x0.49 inches, 203x9.5mm/7.99x0.37 inches, 149x6.35mm/5.87x0.25 inches. Net Weight: 330g/0.73lbs, 153g/0.34lbs, 55g/0.12lbs. Note: Please allow 1-2cm errors due to manual measurement. Due to differences between monitors, the picture may not reflect the actual color of the item. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store