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    Xtra-Seal 4-Inch Fat Brown String Inserts

    Part #: MI-12-361

    Xtra-Seal 12-361 are universal 4-inch “fat, brown” string-type tire repair inserts designed for quick, temporary puncture repairs when a full service repair is not immediately available. Made of durable butyl rubber for easy insertion through steel-belted radials, they seal by compression and work in both radial and bias-ply tires—ideal for roadside or off-road equipment until a proper inside-out repair can be performed per industry guidelines.