Lab stand support shelf fits any stand with up to 5/8"od rod. Stand measures 7 x 10" and is available with or without 4" rubber-bordered center hole. Manufactued from light, cast aluminum and epoxy coated. Rod mounted codes -04 & -06 feature a 5/8in OD x 12in long stainless rod with a through hole and is available with a small platform or a large platform. Small platform for use with up to #50 Ace-Thred adapters and large platform for use with #80 Ace-Thred adapter.