Supply of Hska 63 Extensions Solid Carbide Micro Boring Bar Dia .15.9 To 21.1 Mm Insert Holder Pcd Insert Micro Boring Head For Dia.0.4 To 152Mm Dia. 2 Mm Mini Carbide Tool Dia. 3 Mm Mini Carbide Tool Dia. 4 Mm Mini Carbide Tool Dia. 5 Mm Mini Carbide Tool