- 4 PC. 1/2" DR. Roller Stud Extractor Socket Set - Comprehensive Set: Includes 4 stud drivers for sizes M6, M8, M10, and M12, designed for efficient roller stud extraction. - Durable Construction: Built for robust performance and longevity in automotive repair and maintenance tasks. - Convenient Storage: Comes in a blow-molded case with dimensions 210 x 111 x 49 mm (0.04 CUFT) for easy organization and portability.