Screw wood slats into a long PVC pipe (one slat at each end), and mount ... and wood strips, a PVC storage rack may be the solution you need to avoid the awkward stacks that too easily get knocked ...

dia. PVC pipe under your workbench and slide the clamps into the pipe. Here's a slick snap-in, snap-out storage rack made from PVC pipe. For 1/2-in.-dia. iron pipe, use 3/4-in. PVC. For 3/4-in.- ...