Barton 19mm I Tracks & Travellers Track 1.8 Meter1.8 Meter extruded with a hollow section for lightweight and high load capacity. Drilled for fastenings and plunger stops. Width W: 19mm Height: 24mm Width X: 11mm Fastenings Ï: 5mm Fastening centres: 100mm Plunger hole centres: 50mm Weight: 479 g per M