Gem bids for 728 4Mm Width Single Ended Neutral Hand External Parting & Grooving Inisert Grade-Suitable For Machinin Left Hand Top Screw Clamp Vertrical External Parting & Grooving Holder Shank Size 25 X 25 Max Dept Right Hand Top Screw Clamp Vertrical External Parting & Grooving Holder Shank Size 25 X 25 Max Dep