K185D – 185mm Flat Back Permanent Knife November 10, 2017 By $370.00 K185D - 185mm Flat Back Permanent Knife quantity Add to cart SKU: K185D Category: Permanent Microtome Knives Related products K125D – 125mm Flat Back Permanent Knife $320.00 Add to cart K160D – 160mm Flat Back Permanent Knife $355.00 Add to cart