Deburring tool kit with precision aluminum handle and 11 deburring blades. The BS1010 HSS blades with 360° rotation and 40-degree chamfering are ideal for cutting round hole edges, deep holes, straight edges, curved edges, slots. Strong and durable, the deburring blade is made of hardened and tempered M2 high-speed steel with sharp edges and a hardness of up to 63 HRC. Comfort grip, ergonomic design and comfortable to use. Flexible use, the 360-degree rotating deburring blades are ideal for cross holes, deep holes or curved edges. Wide application, ideal for cleaning brass, steel, aluminum, copper or PVC pipes and metal edges of automotive parts, gears or other newly cut metal or wood parts. Trim your 3D printed plastic parts or objects to quickly deburr nylon, ABS and PLA without melting the filament.