12-Bolt Floating Hat Disc Attachment Hardware Kit AP/Essex rings12 Bolt Floating Hat Disc Attachment Hardware Kit One kit= enough hardware for one disc (buy two kits if you are swapping iron rings on two discs) Includes bolts, nuts, and washers (bobbins and AKB spring clips are re used assuming no visible wear) Torque specs for disc assembly using this hardware= 10 foot lbs. 124 inch lbs. Iron Ring and Aluminum Hat Assembly Instructions