JLG Parts Gas Shock Spring used on the Vertical Mast Series. This Item is used to hold up the Gate Weldment and allow the operator to enter onto the platform. This item has an extended length from eyelet to eyelet of 22.625". Model Usage 10VP, 12SP, 15AMI, 15BD, 15DVL, 15DVSP, 15ELI, 15MSP, 15MVL, 15SP, 15VP, 15VPSP, 19AMI, 20AM, 20DVL, 20DVSP, 20MSP, 20MVL, 20VP, 25AM, 30AM, 36AM, 38AM, 41AM.