Specification?? Brand name: Oscarbide Shank Shape: Cylinder Shank Size: 3/4”Diameter Lead Cutting Angle: 90 Degree Key: T8 Screw Size: M2.5x 5.0; M2.5X6.0; M2.5X7 Packing: 8 pcs Material:high quality steel with Tin-coated Feature: Bar holders are made of high quality steel with coated, inserts with Tin-coated are made of carbide,moistureproof, rust-proof,for long time use. Round shanks allow the operator to set positve or negative rake,chip breaker eliminates long stringer chips. Indexable Boring Bar Set Size. .
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