Park Tool 2149K Electronics Upgrade Kit for PRS-33 Repair Stand The 2149K includes everything needed to upgrade the carriage assembly of the PRS-33 Power Lift Shop Stand to the new design found on the PRS-33.2. Features a redesigned tool tray, oversized buttons on the front of the assembly, and integrated USB charging ports. Park Tool 2149K Electronics Upgrade Kit for PRS-33 Repair Stand The 2149K includes everything needed to upgrade the carriage assembly of the PRS-33 Power Lift Shop Stand to the new design found on the PRS-33.2. Features a redesigned tool tray, oversized buttons on the front of the assembly, and integrated USB charging ports. TRUSTED SINCE 1963 Park Tool built our first bike repair stand over 50 years ago, when our founders needed a more ergonomic and efficient way to service increasingly complex bicycle components. Since those humble beginnings, we have expanded our product line to over 500 tools, stands, and other maintenance equipment. Our mission has stayed the same: to design and manufacture high-quality tools to empower mechanics and riders of all skill levels to service their bicycles. It's the only thing we do, and we're good at it.