Features: * Knurled ends provides grip surface to pull sockets off ratchets * Large hard stamped part number and size on both sides of socket - Easier visibility to socket size * Packaged in patented slide rail for easier positioning of sockets - internal slide rail eliminates interference / ball bearing retention * Entry angle guides fastener * Made of 6130 alloy steel and full polish nickel chrome plated * Serrated depth as deep as the fastener. Large hard stamped identification. Knurled line to easily identify SAE vs. metric sockets. What"s In The Box: * 4mm, 5mm, 5.5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm standard sockets * Clip rail