Premium Quality, USA made, Votive Peg Adapters / Grippers from Biedermann. Pack of 10 Grippers. This rubber gasket or rubber band-like grommet stretches over the "nub" that is on the bottom of a peg lite holder and is what keeps the peg lite fitting snugly inside the taper candle holder. Some larger holders may require doubling the rubber gasket.
Biedermann Rubber Gasket / Votive for Peg Candle Holders - 10 Piece - B00KN5KZQG