Quick answer: Full round jump poles are smooth timber poles used for equestrian arenas, riding schools, private yards and training paddocks. These poles are 3.66m long and 100mm diameter, commonly known as approximately 12ft x 4 inch jump poles. Best used for Show jumping practice Training grids and cross poles Private yards and DIY arenas Riding schools and equestrian centres Refreshing existing jump pole sets Specification Length: 3.66m Diameter: 100mm Approximate imperial reference: 12ft x 4 inch Profile: Full round Things to check before ordering Handling: Plan safe lifting and storage, especially when ordering several poles. Painting: If painting, use a suitable exterior paint system and allow timber to dry as needed first. Use: Check the pole size suits your wings, cups, blocks or training setup. Natural timber: Outdoor timber can vary slightly in appearance and may weather over time. Complete the job For posts, rails, gates and other rural or equestrian fencing materials, view the full Agricultural & Stock Fencing range.