Anti-Tippers

This is a single button locking pin.  It is the spring button inside the anti-tipper that you push in and slide in until it pops up in the hole locking the anti-tipper in place.  This one has the button only on one side.  This one fits...

Universal Anti-Tipper Set of Wheels (2) Specs:  OD: 1.85" Center Hole ID: 1/4" Width: 3/8" at widest point California Proposition 65 Warning WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

This is a double button locking pin.  It is the spring button inside the anti-tipper that you push in and slide in until it pops up in the hole locking the anti-tipper in place.  This one has a button on both sides.  This fits 7/8" tubing...