This Set of 3 HSS Spare Blades is designed for use with Mini Cut-Off Parting Tool Holders on lathes. The blades, measuring 1.45 x 5 x 63 mm, are made from high-speed steel (HSS), providing exceptional strength and durability for precise and efficient cutting. These blades are compatible with tool holders that have 6 mm, 8 mm, or 10 mm square shanks, offering versatility and ease of use across various lathe models. Perfect for both professional machinists and hobbyists, this set ensures smooth, accurate parting operations while extending the life of your lathe tool holder.