AmPro Valve Spring Compressor 68-130mm Drying Equipment 4760 Extension Bar 1/2"Dr 1000mmKnurling

AmPro Valve Spring Compressor 68 130mm Drying Equipment 4760 Extension Bar 1 2"Dr 1000mmKnurling 4760 Extension Bar 1 2"Dr 1000mmKnurling on the outside of female square drive makes it easier to hold and enables the extension bar to be used like a quick spinner Useful for both alignment and for measurement purposes Mitutoyo proprietary new design permits smooth pointer operation Flat crystal makes graduations easy to read Strong frame provides excellent rigidity and durability Non magnetic pointer and contact point permit reliable operation even in magnetic environments Clear and concise wide dial face allows excellent visibility The surface of the crystal is hard coated for excellent scratch resistance O ring protection guarding against oil and water penetration