Weight Plate Buying Guide: Tips With Illustrations - chiliguides:
Amazon.com : Micro Gainz Standard 1-Inch Center Hole Multi-Color Fractional Weight Plate Set of .25LB-.50LB-.75LB-1LB Plates (8 Plate Set) w/Bag- Designed for Standard 1-Inch Barbells and Dumbbells, Made in USA : Sports
CAP 5lb Standard 1-inch Grip Weight Plate - Walmart.com
METIS PU Pro Olympic Weight Plates | Net World Sports