Rayco CMM Fixture Component Kit Maximize the use of a Rayco CMM Fixture Plate with this 41 pc Component Kit! M8 Threads Features of the kit include... (3) R8-1320-SO: 13mm Dia. x 20mm Standoff (3) R8-1325-SO: 13mm Dia. x 25mm Standoff (3) R8-1350-SO: 13mm Dia. x 50mm Standoff (3) R8-1920-SO: 19mm Dia. x 20mm Standoff (3) R8-1925-SO: 19mm Dia. x 25mm Standoff (3) R8-1950-SO: 19mm Dia. x 50mm Standoff (3) R8-2520-SO: 25mm Dia. x 20mm Standoff (3) R8-2525-SO: 25mm Dia. x 25mm Standoff (3) R8-2550-SO: 25mm Dia. x 50mm Standoff (2) R8-1325-PSO: 13mm Dia. x 25mm Pin Standoff (2) R8-STS-38: Small Tension Spring (38mm Post) (4) R8-LTS-75: Large Tension Spring (75mm Post) (3) R8-NC: Nylon Cone (1) R8-19-JS: 19mm Dia. Small Jackstand (1) R8-SLD: M8 Slide Base (1) R8-SCT: M8 Small Component Tray