To fit Felder System Planer Blades Knives 410mm SS Length: 410mm Width: 19.5mm Thickness: 1mm Material: High Speed Steel No. of blades in a pack: 4 blades These are HSS Planer Blades to suit the Felder System planer machines using the 410mm Planer Blades and a wide range of other planer blocks from 4 sided moulders to surface thicknessers. These are the industry standard 18% cobalt and are supplied in matched pairs in plastic packaging for transportation protection. Most other standard lengths of HSS planer blades can be found within our online shop.