Park Tool 106-AC Accessory Collar: For 106 Repair Stand Work Tray

Fits 35 to 37 mm (1.38" to 1.46") upright tubes Fits the following Park Tool repair stands directly: PCS-1 (post-01/2004) PCS-4 (post-01/2003) PCS-4-1 PCS-4-2 PCS-9 Fits the following Park Tool repair stands with PCS-EXT Repair Stand Extension for PCS-1 and PCS-4: PCS-1 (06/1996 to 01/2004) PCS-4 (pre-01/2003) The 106-AC installs onto the upright tube of select Park Tool portable repair stands to accommodate the #106 Work Tray or PTH-1 Paper Towel Holder.