Aluminum is the gold standard for durability and keyhole tracks with breakaway cups are the modern standard in jumping safety., These aluminum keyhole
Series 1- HBP Track Only ( This Track takes our 4- Wheel Ball
Aluminum and Wood Jump Block for Horsejump with Keyhole Track
Keyhole Barrel Track - 20 Inches Long – Copper Pony Poles
Fields Outdoor Supplies 5 ft. Metal Keyhole Tracks
Dressage Rail Letters (Set of 12) – Copper Pony Poles
Krzaw 2 Pack Horse Plastic Keyhole Track Rail (ABS
Jump Cups - White – Copper Pony Poles
Keyhole Barrel Track - 20 Inches Long – Copper Pony Poles
36 Aluminum T Track, 3/4 by 3/8 — Taylor Toolworks
Metal Keyhole Track System Plastic Jump Cup Pair