Block sharpeners come in two styles, Original starting at $19.99,and New patent Model with Anti-slip grip,start at $24.99,Both work same. New models are much easier to use do to the New Patent Anti-Slip grip and thumb guide. ((Free shipping any destination in the world.More you order the cheaper new models sharpeners are, 2 for $15.00 each,3 to 12 for $13.00 each. WE are moving Home and Business a cross the country Month of July. Please allow us 48 hours to process order, need help ordering call my cell phone. If no answer i’m in dead zone or driving. 352 643 1838.