Maybe one of these similar products would be of interest:-
Barbell Clamps -RED 1" Inch Barbell Collars Quick Release, Locking Weight Clips
Barbell Clamps BLUE 1" Inch Barbell Collars Quick Release, Locking 1-Pair Clips
Barbell Clips 1 inch Multi-Size Adjustable Weight Clips Barbell Clamps
Barbell Clips, 8 Pcs 1 Inch Weight Clips for Bars Stainless Steel Barbell Clamps
1 Inch Barbell Spring Clips Collars Locks Clamps, Standard, 0.16 inch Strong Spr