Provides connection for prop shafts, rudder shafts, flywheels, etc. with ships bonding system. Can eliminate radio frequency noise from rotating shafts and machinery. Long wearing metallic graphite brush on phosphor bronze strap. 12"L x 1"W Product : PROMARINER HEAVY DUTY SHAFT BRUSH Manufacturer : PROMARINER Manufacturer Part No : 20036 UPC : 031669200364