Would appreciate any comments on 2" OD 1020 DOM mast material. I am planning on putting a FORCE 12 4BA 10 feet over a 5 ele 20 METER monobander on a 40 foot boom. I will need 18 feet of 2" OD mast. 8 feet is in the tower with two thrust bearings...and 10 feet outside the tower. Your comments are very much solicited. 73's Jose Castillo N4BAA and KG4SB