Agile-shop 10Pcs Tool Saws Blades BS1010 S10 Swivel Blades Deburring Tool Brand new NOGA BS1010 heavy duty 3.2mm swivel blade Works best on steel, aluminum and plastic Works best on plastic and hard materials for removing burrs from any type of materials or applications such as Deburring rough edges in hole for deburring the inside break through of cross holes and also for Deburring sharp corners on extern