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.

• 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)