49 Piece 1/2in Drive 6 Point SAE/Metric Socket Set includes 7/16in - 1-1/8in standard sockets; 1/2in - 15/16in deep sockets; 10 - 24mm standard sockets; 10 - 19mm deep sockets; 1/2in Full Polish Teardrop Ratchet, 3in and 5in Extensions and Universal Joint packaged in a blow mold case. Entry angle guides fastener. Serrated depth as deep as the fastener. Large hard stamped identification. Double line (SAE) and knurled line (Metric) to easily identify SAE vs. metric sockets. Made of 6130 Alloy steel and full polish nickel chrome plated.