Series WR29 – Width overall 28 3/4″; Width usable 26 1/4″; Side rail height 4 1/4″; Curb height 3 1/4″. Hooks at 24 1\2″ centers.
Series WR39 – Width overall 39 1/2″; Width Usable 37″; Side rail height 4 1/4″; Curb height 3 1/4″.
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