This unit magnifies the sound when the indicators are engaged. Instructions enclosed.
Contains; 4x 5/16 unc Long bolts, 8x 5/16 unc Short bolts and 12 flat/spring washers.
Contains; 4x 5/16 unc Long bolts, 8x 5/16 unc Short bolts and 12 flat/spring washers in polished stainless steel.