For ensuring better center dot placement using Moria Keratome and Viscot #1402 marker. Autoclavable plastic <420 degrees F. Useful life: 50 - 100 cycles. **NEW** - improved fit - concentric reinforcing rings In stock, ships within 48 hrs. CRB Pricing --> (CRB Price for Krolman Item) x (CRB USD Price) = Krolman Item USD Price Daily Opening CRB USD Price at http://www.bloomberg.com/apps/quote?ticker=CRY:IND K05-57004-00CRB Price: 0.3000