Note: The 1.125 inch is the diameter of the dumbbell handle as mage attached below. But the product fit the weight plate 1.15 inch. 10 LBS TOTAL: TWO 16” long diameter solid steel handles & FOUR collars with rubber trims
FITS 1.15-INCH BAR: Holes on weight plates fit 1.15” diameter (Set of 52.5, 105, 200 lbs).
16-INCH POWDER COATED HANDLE: Constructed of high-quality, textured chrome handle for maximum durability and a secure, firm, and non-slip grip
STAR-LOCK COLLARS WITH LOOSE-RESISTANT RUBBER TRIMS: Threaded ends with star-lock collars provide a safe, secure workout and easy weight plate changes
WIDER SLEEVES: Offer larger room for adding more weight plates and increase challenge, great for both beginners and intermediate users
Durable cast iron plates covered with black paint finish preventing rust and corrosion for lifetime use