Kodiaks Stainless Steel Trailer Disc Brake products are second to none. This 12 inch 6 Lug Stainless Steel Slip On Style rotor outfits Kodiaks 5,200lb Disc Brake Kits. The Vented Rotor design creates a heat distribution that allows your trailer brake system to run cooler and improve long term performance. The Lug Pattern on this rotor is 6 on 5 1/2 and is intended to outfit 1/2 inch standard trailer studs. All Kodiak Rotors are 100% balanced and tested and proven to perform.