Check the listing for details. EGGS Graphite Molds, 4 Versions, Premier Graphite Glass Tool. Condition: New. Listed at 56.00 USD. ----BR-71 Small Egg CGBeadroller Cavity Sizes (mm) 4mm mandrel slot7x9.5, 7.5x10.5, 8x11.5, 8.5x12.5, 9x13, 9.5x14.5, 11x15 ----BR-112 Medium Egg CGBeadroller Cavity Sizes (mm) 4mm mandrel slot12x16, 13.5x18, 15x20, 16.5x22, 18x24 ----BR-68 Large Egg CGBeadroller Cavity Sizes (mm) 4mm mandrel slot20x25, 22x28, 24x31 ----BR-118 X-Large Egg CGBeadroller Cavity Sizes (mm) 4mm mandrel slot26x34, 28x37CGBead tools are the premier graphite beadroller, and bead-press, tools of the hot glass industry. Graphite mold made for the lampwork industry.(beads not included) Beadrollers not only help you with those difficult curves,but also act as a measuring guide once your first bead is in the kiln.There's no more guessing if the next one will be the same size!! There's also a handy little area for marvering on the front. The reversed side is a flat marvering surface.