C.R. LAURENCE VGB1460W CRL White Snap-In Vinyl Glazing Bead (20 Pack). This CRL Snap-In Vinyl Glazing Bead is used on aluminum windows between the glass and outer channel. When glazing bead is "snapped-in", all that remains visible is a neat "bead" that leaves the window with a neat, clean sight line. It is available in gray, bronze and white.. Part Numbers Variations: VGB1460W