C.R. LAURENCE SDK061 CRL UV Bond Solid Glass Door Knob. CRL"s Solid Glass UV Knob is beautifully styled and can provide several applications: Door Knob, Foot for Glass Showcase, or Robe Hook on a Shower Door. Knob extends 1-1/2" (38 mm) from the glass surface. Use UV760 Adhesive for bonding Glass-to-Glass. Minimum order is one each.. Part Numbers Variations: SDK061