Abaco Remnant Rack – designed for storing smaller slabs. The Remnant Slab Rack is designed specifically for storing smaller slabs such as left over pieces for the next job. It is very economical and compact. You no longer need to throw away smaller pieces or use up valuable space in full size racks.IT COMES COMPLETE WITH 20 POLES. Designed for smaller slabs. Economical. Compact. Ships with two base rails and twenty poles. Spare poles available.