McMaster 2481T27 Rubber Solid Tread Flat Free Wheel on Aluminum Core, Center Mount Hub with Roller Bearing, 12" Diameter × 2 3 4" Wide G3007313 Measurement Type SAE Finish Black Measurement Type SAE Finish Black Oxide SAE or Metric SAE Number of Pieces 19 Includes (3) Socket Bars 9" Socket Point Styles Included 6 SAE or Metric Metric Drive Type Hand Insulated No Tether Style Tether Capable Number of Standard Sockets 12 Non Sparking No Includes Socket Bits No Container Type Rail Includes Drive Tools No Piece Count Range 2 to 25 Includes Deep Sockets No Tether Ready No Socket Shape 6 Point Includes Standard Sockets Yes Includes Flex Sockets No Includes Wrenches No Flex Socket Count Style None Hub Mount Location Center Bearing Type Roller Wheel Tread Material Rubber Tread Style Solid Hub Material Aluminum Diameter 12" Width 2 3 4" Hub Length 3 1 4" Weight Capacity per Wheel 800 lb Tread Pattern Straight Line Hardness Rating Soft Hardness Durometer 60A Nonmarking Wheels No Minimum Temperature 40° F Maximum Temperature 120° F For Axle Diameter 1" For Surface Type Asphalt