ITEM NAME:1X(7Pcs 4 Flutes End Mill Set 50 Degree Cnc Milling Cutter Power Tools 1/2/H1Q9) 1X(7Pcs 4 Flutes End Mill Set 50 Degree Cnc Milling Cutter Power Tools 1/2/H1Q9) 1X(Type: End Mill Brand new Flute: 4 KVS Features: HRC50 For general steel alloy steel mold steel Highest cutting hardness: HRC50 Durable and practical Four flute design provides small chip loads and quicker removal Application Material: wood, plastic, aluminum plate, etc Suitable for DIY, Home and General Building/Engineering Using colour:Black + silver Material:metal size:Diameter of Head(A) Diameter of Shank(B) Blade Length(C) Total Length(D) 1mm 4mm 3mm 50mm 2mm 4mm 6mm 50mm 3mm 4mm 8mm 50mm 4mm 4mm 11mm 50mm 5mm 6mm 13mm 50mm 6mm 6mm 16mm 50mm 8mm 8mm 20mm 60mm Package Contents: 7 x end mill)