... 2.Good quality 3.ship timely 4.4ft,5ft,6ft Box BladesMODEL No. Cutting widthShanksApprox. Ship.Wt.BB-4848"4350LBBB-6060 ... "5415LBBB-7272"6500LB Features Category I,3 point hinth. Front and rear reversible, high carbon, heart ... .Formed delf cleaning moldboard. Heavy gauge frame. 4 "X4" square box shank housing. Replaceable ripper teeth. Adjustable, heat-treated, scarifier shanks ...