Ordering Description Product number Description: Cover Lens Diameter 50mm glass Pk 50 Product number: 0000665600 Description: Cover Lens 98x75 glass Pk 100 Product number: 0000915058 Description: Cover Lens 98x75 plastic Pk 100 Product number: 0000915097 Description: Cover Lens 60x110 glass Pk 25 Product number: 0291102701 Description: Cover Lens CR39 90 x 110 Pk10 Product number: 0700000139 Description: Cover Lens 90x110 glass Pk100 Product number: 0760031040