Very portable and handy: the 20-slots inner box (10 empty for more bits), the outer box holds the inner box & wood base with a hook, the 2 boxes plastic clamshell like old cassette tape holder and the 10-slots beech stand. Very sharp, aggressive, tough, well-balanced and durable, perfect for tight spaces than grinding discs. great for detail work, for lots of materials removal, please use our 1/4" shank burrs and 500W+ rotary tool. Double cut. 3mm shank compatible with 1/8"(3.175mm) collect and nut set of rotary tool. 3-jaws-chuck drills not optimal. The high-speed rotary tools optimal. Compatible with dremel, milwaukee, electric or air rotary tools, etc. Versatile: carving, chamfering, cleaning, contouring, cutting, deburring, elongating, engraving, grinding, meatalworking, milling, MRO, polishing, porting, sculpting, shaping, shaving, tooling, trimming, metal, wood and plastic, etc. Used for welds, steel, hardened steel, stainless steel, hard wood, balsa, wax, stone, slate, marble, granite, concrete, brass, copper, bronze, aluminum, cast-iron, cast-steel, nickel, titanium, zinc, porcelain, fiberglass, plastic, rubber, etc.

• Very portable and handy: the 20-slots inner box (10 empty for more bits), the outer box holds the inner box & wood base with a hook, the 2 boxes plastic clamshell like old cassette tape holder and the 10-slots beech stand.
• Very sharp, aggressive, tough, well-balanced and durable, perfect for tight spaces than grinding discs. great for detail work, for lots of materials removal, please use our 1/4" shank burrs and 500W+ rotary tool.
• Double cut. 3mm shank compatible with 1/8"(3.175mm) collect and nut set of rotary tool. 3-jaws-chuck drills not optimal. The high-speed rotary tools optimal. Compatible with dremel, milwaukee, electric or air rotary tools, etc.
• Versatile: carving, chamfering, cleaning, contouring, cutting, deburring, elongating, engraving, grinding, meatalworking, milling, MRO, polishing, porting, sculpting, shaping, shaving, tooling, trimming, metal, wood and plastic, etc.
• Used for welds, steel, hardened steel, stainless steel, hard wood, balsa, wax, stone, slate, marble, granite, concrete, brass, copper, bronze, aluminum, cast-iron, cast-steel, nickel, titanium, zinc, porcelain, fiberglass, plastic, rubber, etc.