Specifications: - 1pc 1/2" Dr. Extension Bar: 5" - 1pc 1/4" Dr. Bit Coupler - 1pc 1/4" Dr. Spinner Handle: 150mm (L) - 1pc 1/4" Dr. Sliding T Bar: 110mm (L) - 1pc 3/8" Dr. Extension Bar: 6" - 1pc 3/8" Dr. Extension Bar: 3" - 2pcs 1/2" Dr. Extension Bar & 3-way Adapter: 10" - 2pcs 3/8" Dr. Spark Plug Socket: 16mm/21mm - 2pcs 1/4" Dr. Extension Bar: 2" & 4" - 3pcs Universal Dr. Adapter: 1/2", 3/8", 1/4" - 3pcs Ratchet Dr. Socket Wrench: 1/2", 3/8", 1/4" - 4pcs 1/2" Dr. Impack Socket: H17-19-21-23mm - 6pcs 3/8" Dr. Deep Socket: 10-11-12-13-14-15mm - 6pcs 1/4" Dr. Deep Socket: 4-5-6-7-8-9mm - 9pcs Allen Key: 1.5/2/2.5/3/4/5/6/8/10mm - 9pcs S2 Bits: T10-15-20-25-27-30-40, PZ1-2 - 11pcs 3/8" Dr. Socket: 9-10-11-12-13-14-15-16-17-18-19mm - 12pcs Combination Spanner: 8-9-10-11-12-13-14-15-16-17-18-19mm - 13pcs 1/4" Dr. Socket: 4-4.5-5-5.5-6-7-8-9-10-11-12-13-14mm - 14pcs E Socket: 1/2" Dr: E20-22-24; 3/8" Dr :E10-11-12-14-16-18; 1/4" Dr: E4-5-6-7-8 - 17pcs 1/2" Dr. Socket: 10-11-12-13-14-15-16-17-18-19-20-21-22-24-27-30-32mm - 17pcs 1/2" Dr. Socket: 10-11-12-13-14-15-16-17-18-19-20-21-22-24-27-30-32mm - 20pcs 3/8" Dr.Bit Socket: SL4-5.5-6.5, PZ1-2-3, PH1-2-3, H3-4-5-6-8-10, T30-40-45-50-55