Materials Glass body / Nickel Plated Brass Caps Lead Wire: Tin-lead plated Copper, Diameter 0.032" Option With Heat Shrink Tubing (VW-1) over body Marking On fuse: “bel”, “JS”, “Current Rating”, “350V” “Appropriate Safety Logos” On label: Above info plus “c”; Interrupting Rating & Type “2JS” or “3JS