HO foam cutter... (Bold added by me...)
(Huh? HO scale foamcutter? It must be small...)

http://www.walthers.com/prodimage/79929579/32758299231579.gif (http://www.walthers.com/prodimage/79929579/32758299231579.gif)
Walthers Part # 5-1435
HO scale, $39.98, currently in stock at Walthers
This product is on-sale today for $31.98