Specification: Copper, Fluorine & Silicon-free+Low Particle Generation, Relief Type, Bearing: Ball Bushing Bearing, Bore Size: 6mm, Stroke: 40mm, Auto Switch: M9N--Solid State, Gen. Purpose, 3 Wire NPN, Horizontal, Lead Wire or Prewired Connector: 0.5m Cord Length, M8-3 Pin Connector, Number: -