This package includes four Risers, generally used with Incline Starters to create varying grades on your layout. Risers are easily flexed to form curves and work on plywood or foam bases. To install, butt the sections tightly, pin in place with Foam Nails and attach with Foam Tack Glue or Low Temp Foam Glue Gun and Glue Sticks. Each Riser measures 24" l x 2½" w x 2" h. |