These have never been used on a barbell.
Clout Fitness 2" Olympic Barbell Clamps
Signature Fitness 2" Olympic Bumper Plate Weight Plates with Steel Hub, 45LB, Pair
Inspire Fitness 5 lb Add-On Weight Plate - Compatible with Inspire Functional Trainers & Multi Gyms - Easy-to-Use Home Gym Accessory for Incremental Weight Gains
Inspire Fitness Leg Conversion Kit for Leg Extension on Inspire FT2 Functional Trainer - Required to Connect Leg Extension Attachment for FT2 Functional Trainer - Cable Gym Accessories
Hydra Fitness Exchange Display Console Assembly RC802-630-001 Works with Inspire Fitness Elliptical
Inspire Fitness FTX Functional Trainer - Compact at Home Workout Machine with Accessories - Space Saving Design - Home Gym Cable Machine and Two 165 lb Weight Stacks