Castle nut for 1" spindles. Bare metal finish.

Replacement washer is designed for use with 1" diameter spindles.

Self-adjusting passenger's-side electric trailer brake assembly measures 10" x 2-1/4" and features a thoroughly tested magnet and high-quality friction material. Rated for up to 3,500-lb axles.

Self-adjusting driver's-side electric trailer brake assembly measures 10" x 2-1/4" and features a thoroughly tested magnet and high-quality friction material. Rated for up to 3,500-lb axles.

Self-adjusting driver's-side electric trailer brake assembly measures 12" x 2" and features a thoroughly tested magnet and high-quality friction material. Rated for up to 7,000-lb axles.

Self-adjusting passenger's-side electric trailer brake assembly measures 12" x 2" and features a thoroughly tested magnet and high-quality friction material. Rated for up to 7,000-lb axles.

Castle nut locks in place on 7/8" diameter suspension bolt (sold separately) with a cotter pin (not included).