K185D – 185mm Flat Back Permanent Knife November 10, 2017 By $330.00 K185D - 185mm Flat Back Permanent Knife quantity Add to cart SKU: K185D Category: Permanent Microtome Knives Related products K220D – 220mm Flat Back Permanent Knife $410.00 Add to cart K160D – 160mm Flat Back Permanent Knife $315.00 Add to cart K250A – 250mm Round Back Permanent Knife $460.00 Add to cart K220A – 220mm Round Back Permanent Knife $410.00 Add to cart