RitFit Aluminum Pulley Wheel for Gym Equipment, 2PCS/ 6PCS Set Power Rack Pulley Attachment, 90mm Aluminum Alloy Bearing Gym Pulley Wheel for Home Gym

Hi, these are the aluminum ones I got: https://a.co/d/02NAgbRn And this is the silicone lubricant, I think any hardware store should carry it too: https://a.co/d/08qbCRXC