Husky Towing 30793 Driver Side Electric Trailer Brake Assemblyincludes magnets : Yes includes brake shoes : Yes includes spring hardware : Yes width : 2-1/4 Inch manufacturer part number : 30793 % of packaging weight - cardboard : 90% brand : Husky Towing warranty : Manufacturer's Warranty gross weight of total packaging : 15.0% includes backing plate : Yes upc : 088805307937 position : Left includes adjusting screw : Yes brake type : Drum estimated install time (hours) : 1 california prop 65 warning : This product can expose you to chemicals which are known to the State of California to cause cancer and/or birth defects or other reproductive harm. For more information visit www.P65Warnings.ca.gov % of packaging weight - other plastic : 5% brake system : Electric diameter : 10 Inch % of packaging weight - paper : 5% product shipping template : Migrated Template mpn : 30793 includes actuating lever : Yes