Proto J49001CF Crowfoot Socket Wrench Set, 3 8 in Drive, SAE, Open End, 43 PC LS2ET6S10 W RC 810 lbf Liner Frelon(TM) Gold 810 lbf Liner Frelon(TM) Gold Self Alignment Yes Lubrication Self Lubricating Bearing Type Closed Color Red Accelerated Speed 14 Feet Second Between Grooves 0 It won’t degrade when exposed to ozone or UV light Finish Full Polish Measurement Type SAE SAE or Metric SAE Number of Pieces 43 Includes Crowfoot Skt Set 21 Anti Slip Design open end (ASD) The arched surfaces are designed to spread the contact forces over a greater area and they keep the loads off the corners of the fastener which helps prevent fastener rounding Additional Features: Broad size range ensures the right tool for the application will be available Typically used in lower torque applications Full polish finish provides corrosion resistance and easy to clean surfaces Country of Origin United States