Strong, self-lubricating black Delrin ground throws with external cam for strength and maximum throw. Has internal springs so they can be directly connected to the turnout throwbar. Operating ground throws include five different connectors: flat blade for Roco, small diameter pin for Micro-Engineering, .083" hole for Peco, 90° slender shaft for Atlas, and large pin for most other turnouts. Also includes shim plate to raise the stand to height if needed.