Bolt, Connection Type Bolt, Connection Material Brass, Housing Material Brass, Features 0.400 in Stud Length, 0.70 in Deep, 1/2 in Hex, 5/16 in -18 in F Coupler Thread, Keeps Ring Terminals Away from Corrosion at Battery Terminal, Replaces Nut on Cable Connector Bolt, Standards -, Attachment Type Top, Compatible Product Type Top Mount Terminal Batteries, Gauge -, Includes -, Length 1 7/16 in, Material Brass, Polarity Negative, Positive, Stud Size 5/16 In.-18 WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov -