Baby-Loc w/Aluminum Poles 4 ft H Includes: Fence, aluminum poles (black powder coated), latches, and neutral colored deck sleeves. 20', 10'. and 5' sections have standard pole spacing of 30" on center . 1 1/4" core drill bit must be used for deck sleeves. 1 1/2" core drill bit must be used for 14" aluminum pipe. Gates must be asembled on site. Aluminum Black Powder Coated Poles "Quad" reinforced for 4'H Baby-Loc. Please note: When it comes to keeping kids save, there is no substitute for Adult Supervision. Baby-Loc Removable Fencing, is an addidtional layer of protection to help deter toddlers from gaining access to a swimming pool.