CFF Grip Olympic Rubber Coated Weight Plates (Pair) There is no mistake when identifying a CFF Olympic plate with "Oly" TM, our Olympic Lifting Guy Logo. Rubber coating with easy to read sizes Machined tolerance: Accurate within +/- 2% or better of stated weight Patented 4 Slot Grip Design (In conjunction with Iron Grip) Steel Collar for easy on and off. No more messing up the rubber on your plates and leaving rubber residue on your bars. A perfect fit every time.