Snap on 320SIM 20 pc 1/2" Drive 6-Point SAE Flank Drive® Deep Impact Socket Set (3/8–1-9/16")

20 pc 1/2" Drive 6-Point SAE Flank Drive® Deep Impact Socket Set (3/8–1-9/16") • Includes 3/8–1-9/16" sockets in a storage tray • Flank Drive® wrenching system delivers up to 20% more turning power without slipping or rounding while exceeding ANSI® performance standards • The hex depth of our impact sockets will start to thread the nut onto the stud; competitive sockets with a deeper hex require the user to start the nut by hand • Snap-on® impact sockets are heat treated to optimize impact service life with a lower hardness than hand sockets and are able to withstand repeated cycling loads of impact wrenches • Manufactured from the highest quality domestic steel, providing optimum strength, durability, and longer life • Square drive side hole works with ball- or pin-type retention • Industrial finish helps protect against corrosion