MUST TOOL, shaft-replaceable drop-proof double socket, 12-sided, 6.35 mm insert x 17/21 mm across flats x 115 mm overall length, RBS1721I-12K, 19955, 1 pc

Catalog number: 19955 Features: ● Compatible with 40V ● Bit exchangeable fall prevention socket ● By combining with the optional fall prevention adapter, you can prevent the socket from falling due to broken shaft. ● 17mm/21mm double socket (inner slide type) Applications: ● For use in all situations, such as construction sites, formwork assembly, carpentry work, equipment work, and automobile maintenance. Specifications: ● Opposite side dimensions (mm): 17/21 ● Insertion dimensions (mm): 6.35 ● Total length (mm): 115 ● Opposite side shape: 12-sided ● Type: Inner slide ● 40V compatible shaft exchangeable fall prevention socket ● Usable fall prevention adapters: 19782 (RSA-18BL), 19797 (RSA-40BL), 19798 (RSA-181BL)