• Includes 8-19, 21 and 24 mm 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 proprietary 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