Snapper Tension Spring - 285-635 - Replaces 1-3694 / 1-7326 / 2-9025 / 7029025 / 7029025YP 285-635 Snapper Replacement Tension Spring Replaces (OEM) Snapper 1-3694, 1-7326, 2-9025, 7029025, and 7029025YP Fits the wheel drive on Snapper self-propelled steel deck mowers Length is 3 1/4" Outside diameter is 1/2"