Turn down at base provides grip surface to pull sockets off ratchets
Double line to easily identify SAE sockets
Large hand stamped identification
Surface Drive® technology
Entry angle guides fastener. Serration depth as deep as the fastener holds fastener for ease of access. Set include sizes: 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8". Packaged on a rail.
