For rails 90-141 lbs./yd
They are designed for freight cars, and 4-axle locomotives operating at five mph or less,
For either Wooden or Steel ties only .
DO NOT USE WITH 6-Axle Locomotives. Use our Two-Way Locomotive Derail Item #:4014-18 or our Retractable Derail Item #: 4114-11 instead.
Sizing forms must be completed and submitted within 48 hours of order to ensure prompt delivery.