Photo 1 of M-Parts 1 Pair of Self-Adjusting 12-1/4" X 5" (12.25" X 5") Electric Trailer Drum Brake Assemblies for 12,000 to15,000 Lbs (12K-15K) Trailer Axles; 1 LH (77-1212-1) + 1 RH (77-1212-2)

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Photo 1 of M-Parts 1 Pair of Self-Adjusting 12-1/4" X 5" (12.25" X 5") Electric Trailer Drum Brake Assemblies for 12,000 to15,000 Lbs (12K-15K) Trailer Axles; 1 LH (77-1212-1) + 1 RH (77-1212-2)Photo 2 of M-Parts 1 Pair of Self-Adjusting 12-1/4" X 5" (12.25" X 5") Electric Trailer Drum Brake Assemblies for 12,000 to15,000 Lbs (12K-15K) Trailer Axles; 1 LH (77-1212-1) + 1 RH (77-1212-2)