Product DescriptionThe Park Tool PCS-EXT Repair Stand Extension is designed to add extra adjustable working height to compatible older Park Tool repair stands. This extension kit raises the stand by up to 21 inches, making it easier to work at a more comfortable height during bike service and repairs. The kit includes a quick-release collar and extension tube for straightforward installation on compatible stands. This extension is made specifically for select older PCS-1 and PCS-4 stands and is not compatible with newer versions. Key Features Adds up to 21 inches of adjustable working height Designed for compatible Park Tool PCS-1 and PCS-4 repair stands Helps create a more comfortable working position Includes quick-release collar Includes extension tube Made specifically for older repair stand models Not compatible with newer stands Specifications Brand: Park Tool Model: PCS-EXT Product Type: Repair stand extension kit Supplier Number: PCS-EXT Height Increase: Up to 21 inches Included: Quick-release collar Extension tube Compatibility Compatible with Park Tool PCS-1 repair stands manufactured between June 1996 and January 2004 Compatible with Park Tool PCS-4 repair stands manufactured between June 1996 and January 2004 Not compatible with newer stands Condition New Genuine OEM product Includes only what is shown or described