Whether you are working on automotive repairs, machinery, or general upkeep, this set’s variety of sizes and robust construction ensures you have the perfect fit. Manufacturer Part Number: Impact Socket Set Unit Quantity: 1.0 Tools Included: Ratched Hand,Adapters,Extension Bar Size: 8mm,9mm,10mm,11mm,12mm,13mm,14mm,15mm,16mm,17mm,1/8in.,1/4in.,5/16in.,3/8in.,7/16in.,1/2in.,9/16in.,5/8in.,11/16in.,3/4in.,13/16in.,7/8in.,15/16in.,1in.,1/16in.