Pad cup collars are used as a fulcrum when lifting the open hole flute key French Bushings (grommets). The collars rest on the metal cup and protect the delicate pad from compression and abrasion, and protects the edge of the pad cups.
Set of four Pad Cup Collars includes one for each size French pad cup: 17mm, 17.5mm, 18mm, and 18.5mm.
