Leg Post 12 In., For Use With Grainger Item Number 1PWZ6, 1PWZ8, 1PXA1, 1PXA2, 1PXA4, 1PXA7, 1PXA9, 4UW54, 4UW56, 4UW58, 9AG21, 9CJV1, For Use With Mfr. Model Number D3624, D3636, D4824, D6624, D6636, D9624, D9636, DT3624, DT3636, DT4824, DT6624, DT6636, DT9624, DT9636, W3624, W3636, W4824, W6624, W6636, W9624, W9636, WT3624, WT3636, WT4824, WT6624, WT6636, WT9624, WT9636,, Fits Brand Dunnage-Rack, DuraShelf