Endo GIA™ Reloads with Tri-Staple ... Lumen Size Device Reorder Code Color Code Staple Height Tissue Type EES Lumen Size EES Product Code 28 mm TRIEEA28MT Purple 3.0, 3.5, 4.0 mm Medium/Thick 29 mm CDH29A / CDH29P TRIEEA28XT Black 4.0, 4.5, 5.0 mm Thick/Extra Thick 29 mm CDH29A / CDH29P