Rayco CMM Fixture Component Kit Maximize the use of a Rayco CMM Fixture Plate with this 108 pc Component Kit! M8 Threads Included in this kit... (3) R8-1315-SO: 13mm Dia. x 15mm Standoff (6) R8-1320-SO: 13mm Dia. x 20mm Standoff (6) R8-1325-SO: 13mm Dia. x 25mm Standoff (6) R8-1350-SO: 13mm Dia. x 50mm Standoff (3) R8-1915-SO: 19mm Dia. x 15mm Standoff (6) R8-1920-SO: 19mm Dia. x 20mm Standoff (6) R8-1925-SO: 19mm Dia. x 25mm Standoff (6) R8-1950-SO: 19mm Dia. x 50mm Standoff (4) R8-19100-SO: 19mm Dia. x 100mm Standoff (6) R8-2520-SO: 25mm Dia. x 20mm Standoff (6) R8-2525-SO: 25mm Dia. x 25mm Standoff (6) R8-2550-SO: 25mm Dia. x 50mm Standoff (4) R8-25100-SO: 25mm Dia. x 100mm Standoff (4) R8-1325-PSO: 13mm Dia. x 25mm Pin Standoff (6) R8-STS-25: Small Tension Spring (12) R8-LTS-75: Large Tension Spring (75mm Post) (4) R8-NC: Nylon Cone (4) R8-SC: Steel Cone (2) R8-19-JS: 19mm Dia. Small Jackstand (2) R8-25-JS: 25mm Dia. Large Jackstand (3) R8-SLD: M8 Slide Base (2) R8-LB: Locating Block w/base (1) R8-SCT: Small Component Tray