KVM Tools KV53PN53 Socket Wrench Set 1 2 in Drive Size, 37 Pieces, 3 8 in to 1 3 8 in Socket Size Range 6888 1 Finish Black Oxide Coated Handle Finish Black Oxide Coated Handle Type Adapter SAE or Metric SAE Shape Hex Adapter Material Steel Item Hex Key Application Opening and Closing Most Base Mounted Service Valves on A C Units Measurement Type SAE Accessory Type Hex Key Adapter Package Quantity 1 1000 2300 VA Expected Lifetime Operations 3650 Operating Temperature Max 158 °C Sensor Time Delay 30 sec to 90 sec Expected Lifetime Years 5 Activation On 5 fc UL Certification UL Usage Environments Outdoor Activation Off 15 fc Tungsten Load Ratings 15 A They come in sizes that are measured in inches and fractions of an inch to fit fasteners with an SAE (inch) size head These SAE socket sets come with drive tools and an assortment of sockets for a range of fastener sizes