Description HEAVY DUTY Highest Quality 316 Stainless Steel OK for food grade equipment Collar tightens and corrects worn and wobbly agitator shaft coupling. approx 7/8 inch I.D. 2-Piece Clamp-Type Shaft Collar for use on standard round shafts, hard or soft, as well as on thin wall tube or over a split hub. Can be completely disassembled and placed anywhere on a shaft. Precision machined, non-marring, easy to adjust, with high clamping power. Stafford 8C014 Made in USA January 2023