Rayco CMM Fixture Component Kit Maximize the use of a Rayco CMM Fixture Plate with this 109 pc Component Kit! 1/4-20 Threads Included in this kit... (3) R20-37550-SO: .375” Dia. x .50” Standoff (6) R20-5075-SO: .50” Dia. x .75” Standoff (6) R20-501-SO: .50” Dia. x 1” Standoff (6) R20-502-SO: .50” Dia. x 2” Standoff (3) R20-7550-SO: .75” Dia. x .50” Standoff (6) R20-751-SO: .75” Dia. x 1” Standoff (6) R20-7575-SO: .75″ Dia. X .50” Standoff (6) R20-752-SO: .75” Dia. x 2” Standoff (4) R20-754-SO: .75” Dia. x 4” Standoff (6) R20-175-SO: 1” Dia. x .75” Standoff (6) R20-11-SO: 1” Dia. x 1” Standoff (6) R20-12-SO: 1” Dia. x 2” Standoff (4) R20-14-SO: 1” Dia. x 4” Standoff (4) R20-501-PSO: .50” Dia. x 1” Pin Standoff (6) R20-STS-15: Small Tension Spring – 1.5” Post (12) R20-LTS-3: Large Tension Spring – 3” Post (4) R20-NC: Nylon Cone (4) R20-SRP: Steel Resting Pin (2) R20-50-JS: .50” Dia. Small Jackstand (2) R20-1-JS: 1” Dia. Large Jackstand (2) R20-MSLD: Mini Slide Base (2) R20-SLD: Slide Base (2) R20-LB: Locating Block with Base (1) R20-SCT: 1/4-20 Small Component Tray (black)