Our Mouldings › MA3401 Casing Image 1 of 1 MA3401 Casing $0.00 The item pictured is 3/4" thick x 3-1/4" wide, but can be produced in various sizes from 2-3/4" to 3-1/4". Click here for a to-scale PDF of this profile. Add To Cart Added! The item pictured is 3/4" thick x 3-1/4" wide, but can be produced in various sizes from 2-3/4" to 3-1/4". Click here for a to-scale PDF of this profile.