Operators Manual Canister- 3-1/4" Diameter Chemical, UV ray, rust & corrosion resistant Keeps your equipment manuals & tools out of the weather. (3) 1/4" Holes on the front & (1) 3/8" Hole on the back for ease of fitment Ideal for sport motorcycling, agriculture, trucking & anyplace extra storage is required. Mounts onto machines for easy access