PBC Linear RR30 0480 Linear Guide Rail, Redi Rail, Size 30, 480 mm Length, 30 mm Width, Aluminum Alloy BB30 C Units are Tested to 13F( 25C) Units are Tested to 13F( 25C) and +113F(+45C) as Well as Off Center Loading to Ensure a Long Life Under Even the Harshest Conditions For Vehicle Type Trucks Minimum Operating Pressure 116 psi Maximum Operating Pressure 174 psi Housing Finish Chrome Includes (2) Extensions (3 in + 1 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