A1) W60 x D42 x H30 A2) W60 x D42 x H30 with 1-24" center extension A3) W60 x D42 x H30 with 2-20" self-storing extensions B1) W76 x D44 x H30 B2) W76 x D44 x H30 with 1-24" center extension B3) W76 x D44 x H30 with 2-24" self-storing extensions C1) W84 x D44 x H30 C2) W84 x D44 x H30 with 1-24" center extension C3) W84 x D44 x H30 with 2-24" self-storing extensions