Foul poles are an essential part of every field. On Deck Sports offers Varsity Foul Poles that will complete any baseball field. These powder-coated optic yellow foul poles make it easy to see day or night. Constructed of heavy-duty 3-1/2" OD heavy-wall steel pipe with an 18" wide visual steel fencing wing on the top of the poles. Sold in pairs with a three-year guarantee. 20' tall set. Ground sleeves sold separately.