Richard: yuchengtools [at] cnool. net Chrome Vanadium Steel, Heat-Treated Mirror Polished, SAE & METRIC Comfort Grip and Rubberized Handle This Quality Set Includes: 1/2" Drive : (1) Quick-Release, 72 Tooth Ratchet (1) Extension - 5" (10) Shallow Socket -5 SAE - 1/2", 9/16", 5/8", 3/4", 7/8" -5 Metric - 15, 17, 18, 19, 21mm 3/8" Drive : (1) Quick-Release 72 Tooth Ratchet (2) Extensions- 3", 6" (1) 3/8" & 1/4" Drive Adapter (2) Spark Plug Sockets - 5/8", 3/16" (16) Shallow Sockets -8 SAE - 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4" -8 Metric - 9, 10, 12, 13, 14, 15, 17, 19mm (10) Deep Sockets -5 SAE - 7/16", 1/2", 9/16", 11/16", 3/4" -5 Metric 12, 13, 14, 15,17mm 1/4" Drive : (1) Quick-Release, 72 Tooth Ratchet (1) Extension - 3" (20) Shallow Sockets -10 SAE - 3/16", 7/ 32", 1/4", 9/32", 5/16", 11/32", 3/8", 7/16", 1/2", 9/16" -10 Metric - 4, 5, 6, 7, 8, 9, 10, 11, 12, 13mm (12) Combination Wrenches : -6 SAE - 5/16", 3/8", 7/16", 1/2", 9/16", 5/8" -6 Metric - 8, 10, 12, 13, 14, 15mm (2) Spring-Loaded Pliers : -8" Long Nose -6" Diagonal (4) Screwdrivers : -2 Slotted - 1/4"?", 3/16"?" -2 Phillips - #2?", #1?" (1) Magnetic Bit Driver (50) 1" Driver Bits (2) 1/4" Drive Hex Adapters (16) Phillips - (2) #0, (4) #1, (8) #2, (9) Slotted - 1/8", 5/32", (2) 3/16", (4) 1/4", 5/16" (3) Square - S-1, S-2, S-3 (7) Torque - T-10, T-15, T-20, T-25, T-27, T-30, T-40 (3) Pozi - #1, #2, #3 (10) Hex : -5 SAE - 3/32", 1/8", 5/32", 3/16", 1/4" -5 Metric - 3, 4, 5, 6, 7mm (5) 1" Bit Holders/Organizers (16) Hex Key : -8 SAE - 1/16", 5/64", 3/32", 1/8", 5/32", 3/16", 7/32", 1/4" -8 Metric - 1.5, 2, 2.5, 3, 3.5, 4, 5, 6mm (2) Hex Key Holders/Organizers (1) Cabinet Storage/Carrying Case