Description Description The Haskel 28584 sleeve removal tool is a specialized extractor that can be used to replace the seals of the cycling valve spool and valve sleeve in Haskel air drives and air amplifiers. The tool has a hook-shaped tip that can be inserted into the holes of the sleeve and pull it out with a screwdriver. The tool is made of brass and has a part number of 28584. The tool is recommended by Haskel for servicing their products and avoiding damage to the parts . State of California Proposition 65 WARNINGCancer and Reproductive Harm - www.P65Warnings.ca.gov. Literature & Docs Accessories