Upgrade and secure glazing with the B126 Chamfered Glazing Bead. Measuring 16mm x 16mm, this right-angle bead features a clean chamfered face and an internal 7×4mm check (rebate) for a neat sealant line and consistent glass clearance—ideal for replacing sash and casement window beads, small-pane glazing, and sensitive refurbishments. Supplied unfinished, ready to paint, stain or lacquer.