3/8" ZQ1010R02 Indexable Lathe Grooving Parting Holder. Holder’s size：ZQ1010R02, Shank Size (B x H): 1/2" x 1/2" Overall Length (L): 3.9", Screw size: M4x16, Wrench size: L3. 10pcs SP200 grooving inserts.
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