Chooch Enterprises 8360 - Single Random Stone Tunnel Portal - HO Scale

Double-Track Random Stone Tunnel Portal -- 6-1/2 x 5-1/4" 16.5 x 13.3cm

Single-Track Cut Stone Tunnel Portal -- 4-1/2 x 4-1/2" 11.4 x 11.4cm

Cover your HO scale tunnels with a random stone portal and color with Earth Colors™ Liquid Pigment. Meets NMRA specifications. Outside: 5 11/16 in w x 5 1/8 in h (14.4 cm x 13 cm) Inside: 2 13/16 in...

Double-Track Cut Stone Tunnel Portal -- 6 x 5-1/8" 15.2 x 13cm

Single-Track Random Stone Tunnel Portal 2-Pack -- 2-3/4 x 2-1/2" 7 x 6.4cm