Handheld rotary deburring tool kit, the perfect solution for all your deburring needs. - Highly durable high-speed steel (HSS) blades for superior sharpness and wear resistance. - 360-degree rotating head for precise deburring on different types of edges. - Comfortable handle and replaceable design for easy use. - Ideal for metal, 3D printers, steel, aluminum, plastic, resin, PVC, copper, and more. - Includes 1 metal handle and 11 spare blades in 4 different models. - Blade sizes: BS1010 x 5: 47.5 mm, BS1018 x 2: 47.5 mm, BK3010 x 2: 42.4 mm, BS3010 x 2: 46 mm. - Handle size: 132 mm.