Size: 1/4 inch (F) to 1/2 inch (M) socket adapter. Material: Made of forged chrome vanadium steel with a mirror chrome finish. Performance: Suitable for use with all non-corded, electric, and air impact wrenches; expands access to fasteners in tight areas. Convenient: Spring-loaded detent balls provide secure locking, and the through-hole drive end locks onto the drive tab. Application: Widely used in DIY craft making, auto repairs, household maintenance, and general repairs. Forged from chrome vanadium steel with a mirror chrome finish. Spring-loaded detent balls ensure secure locking, and the through-hole drive end attaches firmly to the drive rod. Ideal for use in automotive repairs, DIY projects, home maintenance, and various repair tasks. Specifications: Size: 1/4 inch (F) to 1/2 inch (M) Total Length: 27mm / 1.06 inch Material: Chrome vanadium steel Finish: Chrome Color: Silver Package Content: 3 x Socket adapters