8.5" overall. Black rubberized handle. Non-slip base. Two stage sharpening system. Black polycarbonate base. Stage 1 - uses 100% diamond abrasives to create the first bevel. Stage 2 - micron size diamonds create the second bevel for a razor sharp, durable edge. Sharpens straight edge and serrated knives. Useful for kitchen, household, pocket and fillet knives. Hang packaged.