STANDARD MARINE WINDSCREEN WIPER ARM (FOR WIPER MOTORS P416789, P416790) and TMC Wiper motor
Stainless steel wiper arm, adjustable length from 9" to 14" (230mm to 355mm).
The tang on the end of the arm is 5.3mm wide to fit the blades below. The arm mounting is split clamping block with a mounting hole 6mm diameter, tightened by a hexagon bolt.