Curved Rail-Flow Gauge (HO Scale)

Create smooth, consistent curves in your HO layout with Oak Hill Model Railroad Track Supply’s Curved Rail-Flow Gauge. Each tool is precision laser cut to hold flextrack to an exact radius.

Whether you're forming curves, testing layout fit, or hand laying rail, this tool ensures accuracy and simplicity. Rails lay cleanly along the centerline of your track plan—no more misalignment.

Key Features:

– Accurate: Holds HO flextrack to an exact radius
– Laser Cut: Made from aircraft-grade 2mm Baltic Birch plywood
– Modular Design: 10" sections with interlocking tabs—connect different or matching radii without glue
– Centerline Slot: Lets you mark the roadbed centerline for easy alignment
– Multi-Use: Ideal for flextrack forming, layout planning, and hand laying rail
– Compatible: Works with all Oak Hill straight and curved Rail-Flow Gauges

What’s Included:
Each set contains two 10" sections.
To form a full circle for a specific radius (like 8"), order 3 sets (6 pieces total).

Available Radii:
18", 20", 22", 24", 26", 28", 30", 32", 34", 36", 37", 38", 40", 42", 48", 54", 60", 72"
Custom radius sizes can be special ordered for a $15 surcharge. Please email Jeff@ohrtracksupply.com.

Optional Add-On:
The Rail-Flow Guide Spacing Tool is available separately and works with both straight and curved gauges.

Availability Notice:
We keep a limited supply in stock. Out-of-stock items are restocked within 1 week or sooner after your order.