Bob's Machine Jack Plate to Motor Bolt KitThe Bob's Machine Jack Plate to Motor Bolt Kit is for use with jack plate installation. This kit is for motors with a standard BIA bolt pattern only and is not for use with the Bob's Machine Mini Manual Jack Plate. Contains 2.5" Bolts; Kit Contains: (4) 2.5" SS Bolts; (4) 1/2" Nylok Nuts; (8) Flat washers; (4) Lock washers;