FOSC 600D-XL splice closure supporting rollable ribbon fiber and 3456 splices. The FOSC 600D-XL Fiber Optic Splice Closure Kit (catalog FOSC600-D6B-24-12-X2VXL, MID 379484-000) includes 12 FOSC D-48 splice trays (288 splices per tray for 12-fiber rollable/spider ribbon), 2 x 3-port gel blocks, XL version slack storage basket, 2 ground feed-through lugs, flash test valve and associated hardware. Compact size 10" x 10.8" x 32.6" (HxWxD). Supports rollable/spider ribbon fiber, up to 3456 splices when deployed with ribbon cables.