Harken® spinnaker pole cars feature recirculating ball bearings to permit adjustment under any load. They roll freely on low-beam traveler track to allow crew to adjust for optimal sail shape. The ring fitting accepts piston pole ends for end-for-end jibing.
177: 1/4" Torlon Ball Bearing — 21 Balls
DO NOT use Harken equipment for human suspension unless product is specifically certified and labeled for such use.