Precision machined cr-v bits made of chrome vanadium (white nickel plated) coated high grade steel 5 degree ratchet arc allows you to use micro-tough in the most confined applications Locking mechanism retains sockets to make your work safer and more productive Reduces the chance of rounding fastener corners and extends fastener life enables to turn worn or rounded fasteners 1pc 1/4″ ratchet wrench, 21pc 1/4″ socket bits (SL4 – SL5.5 – SL7, PH1 – PH2 – PH3, PZ1 – PZ2 – PZ3, H3 – H4 – H5 – H6 – H7 – H8, T10 – T15 – T20 – T25 – T30 – T40), 13pc 1/4″ metric sockets (4 – 4.5 -5 – 5.5 – 6 – 7 – 8 – 9 – 10 – 11 – 12 – 13 – 14mm), 1pc 1/4″ bit adaptor, 1pc blow mold case, 3pc hex keys ( 1.5 – 2 – 2.5mm),1pc 1/4″ Universal Joint, 2pc 1/4″ Extension Bars (2″ & 4″), 1pc 1/4″x 6″ Flexible Extension Shaft, 1pc 1/4″ Sliding T-Bar, 1pc 1/4″x6″ Spinner Handle Sturdy blow-moulded carrying case included for securely storing and transporting all pieces in the set