Oster Fast Feed Adjustable Pivot Motor Clipper 76023-510 with 8 Piece Guide Comb Set and Neck Duster

Does this clipper have the removable metal blade so you can switch metal blades not just plastic clip ons?

Does it include 8pc guides as picture shows or 4 pc as in the description?

Anyone else have a problem with these getting STUCK in the hair? Yes, I oiled them first. It was painful for my victim!

Where do I get just the guards for this clipper?