... ,15,17,19mm 17- 1/4"Dr. Inserted Bit Sockets: Hex- 3, 4, 5, 6mm , REG- 4, 5, 5, 7mm Phillips ... 2- 1/2"Dr. Spark Plug Socket: 16mm & 21mm 1- 1/2"Dr. T-M Head 1- 1/2"Dr. Universal Joint ... W/Quick Release(72T) 1- 5/16" Hex x 1/2"Dr. Coupler 3- Hex Key Wrench: 1.5, 2, 2.5mm ... 15- 5/16" Bit: Hex- 8, 10, 12, 14mm, REG- 8, 10, 12mm, Philips: No ...