U Drill Dia 21Mm Sh Dia 25Mm Cel 63Mm Oal 137Mmthrough Coolant With Suitableinsert Gr. P40 &Spares , U - Drill Dia 12Mm, Sh. Dia 12Mm Cel 36Mm,Oal 92Mm Through Coolant With Suitable Insert Gr.P30-P40 Quantity: 35