Wera Tool-Check PLUS Bit Ratchet Set with Imperial (SAE) Sockets includes: 8001 A Bit Ratchet, with drop-forged steel design for standard insert bits (1/4" hex), 813 Bit holding screwdriver handle, 870/1 Socket adaptor (1/4" hex to 1/4" square); 889/4/1 K Rapidaptor bit holder; 851/1 TZ PH Phillips bit: #1 (x2), #2 (x3), #3; 868/1 V Square bit: #1, #2 (x3), #3; 867/1 TZ Torx bit: T10, T15, T20, T25, T30, T40; 867/1 Z BO Security Torx bit: T10s, T15s, T20s, T25s, T30s; 800/1 TZ Slotted bit: 5.5mm; 840/1 Z Hex-Plus bit: 3/32", 1/8", 5/32", 3/16", 5/16"; 8790 HMA 1/4" drive socket: 3/16", 1/4", 5/16", 11/32", 3/8", 7/16", and 1/2"