Home > Shop > Deck & Fence > Metal Railing > Glass & Accessories > REGAL RUBBER BLOCK FOR TEMPERED GLASS 10pk REGAL RUBBER BLOCK FOR TEMPERED GLASS 10pk Item #: 07186320 Mfr #: GRB-10 $3.80 each Checking Inventory Add to Cart Overview: Sits in rail gasket 3" from each end, to support glass panel