Plastic Kit-3172 : HO

Armstrong Electric Motors can be built in one of three sizes: 16-5/8 x 1-1/2 x 6-5/8, 42.2 x 3.8 x 16.8cm; 11 x 1-1/2 x 6-5/8, 27.9 x 3.8 x 16.8cm or 5-3/8 x 1-1/2 x 6-5/8, 13.6 x 3.8 x 16.8cm