Entry angle guides fastener. Serration depth as deep as the fastener hold fastener for ease of access. Set includes 6-Point deep socket sizes: 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8", 15/16"; and 12-Point standard sizes: 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8", 15/16", 1", 1-1/16", 1-1/8"; 5" and 15" extensions and full polish Teardrop ratchet.