Check the listing for details. Freeman Machinable Wax Blocks - (9) pcs: 2' x 4" x 4". Condition: New – Open box. Listed at 75.00 USD. For sale: (9 pcs) of size 2" x 4" x 4" machinable wax blocks by FREEMAN MACHINABLE WAX - Patented Non-Abrasive: Won't dull tools - reduces risk of tool breakage. Self-Releasing/Self-Sealing: Epoxy, urethane, or silicon rubber can be poured into it without requiring sealers or release agents.