Part# 603a Xtenda-Leg® Set of 3pc Lock Plates with Shaft Retainer Roll Pin
Note: After assembly of new Lock Plates to Assembly, install supplied Retainer Roll Pin (Slotted Spring Pin) into top of shaft.
If you see a Ǿ1/8 hole in top of shaft, insert supplied roll pin into that hole.
If no hole due to old roll pin sheared off, drill new Ǿ1/8 hole into shaft about 1/4” deep, then insert the Roll Pin.