Durability & excellent materials and high quality steel are the main features of YATO products.Set Contains:1/2 "(12.7 mm) sockets: 20; 21; 22; 24 mm,L = 38 mm;1/2 "(12.7 mm) sockets: 27; 30; 32 mm,L= 42mm3/8 "(9.5 mm) sockets: 9; 10; 11; 12; 13; 14; 15; 16 mm,L = 28 mm;3/8 "(9.5 mm) sockets: 17; 18 mm, 19 mm L=30mm1/4 "(6.3 mm) sockets: 4; 4.5; 5; 5.5; 6; 7; 8; 9; 10; 11; 12; 13 mm,L=25mm: CrV 50BV303/8 "(9.5 mm) long sockets: 13; 14; 15 mm, 17 mm L=63mm1/4 "(6.3 mm) long sockets: 8; 9; 10; 12 mm,L = 50 mm: 50BV303/8 "torx (9.5 mm) sockets: E8; E10; E11; E12; E14; E16; E18, E20, CrV 61501/2 "extensions: 127 mm; 254 mm;3/8": 76 mm; 152.4 mm; 1/4 ": 50.8 mm 3/8 "(F) x 1/2" (M) reduction Cardan joint: 1/2 "; 3/8", 1/4 " 3/8 "candle caps: 16; 21 mm1/2 "ratchet: 72T, L = 255 mm CrV 61403/8 "ratchet: 72T, L = 200 mm CrV 6140 1/4 "ratchet: 72T, L = 155mm CrV 61401/4 "screwdriver, L = 150 mm 1/2 "(F) x 3/8" (M) reduction; 3/8 "(F) x 1/2" (M); 3/8 "(F) x 1/4" (M) 1/4 "x 1/4" CrV 61401/4 "bits: flat 4.5; 6.5 mm; PH1, PH3; PZ1; PZ2;torx: T10, T15, T20, T25, T27, T30, T40;hexagonal 3, 4, 5, 6 mmSlotted screwdriver bits on 3/8 "socket: 5.5; 6.5 mmPhilips cross screwdriver bits on 3/8 "socket: Ph1; 2xPh2Torx screwdriver bits on 3/8 "socket: T20; T30; T40; T45; T50; T55; T60Hexagonal screwdriver bits on 3/8 "socket: 3; 4; 5; 6; 7 mmSpline screwdriver bit on 1/2 "socket: M10 L = 100 mmCombination wrenches: 8; 10; 12; 13; 14; 15; 16; 17; 18; 19 mmHalf-open keys: 8x10 mm; 11x12 mmImpact screwdrivers: 6x100 mm; PH2x100 mmAutomotive voltage tester 6-24V Pliers 150 mmOil filter wrench: 1/2 ", 3/8" 63 - 120 mmAllen keys: 1.5; 2; 2.5; 3; 4; 5; 6; 8; 10 mm SUITCASE. Feature 1: A professional tool kit that has been developed to meet the needs of specialized car and mechanical services. The socket wrenches and the socket drive are made of durable CrV 50BV3 chrome vanadium tool steel.. Feature 2: The caps were made by matrix forging, and before the hardening process they were calibrated using precise gauges and control devices. Caps equipped with the AS-Drive system, increasing the maximum torque by 25%, with full protection of the nut rims, caps with a two-tone surface finish.. Feature 3: The kit also includes bits made of S2 hard steel. The set enables work requiring very high loads and precision, allows to perform many service activities related to unscrewing and screwing of threaded connections of various nominal sizes. Ratchets have a three-component handle and 72 teeth (5-pitch working stroke).. Feature 4: Set Contains : 125 pieces in one Suitcase. Please refer detailed description.