Ronstan Ball Bearing, Series 40 - Double, Becket, Swivel Shackle Head perko 5 GPM - 19 litres

5 GPM - 19 litres per minute output

- Protect your boat with the Black 6 foot Gator Keel Shield from Keel Guard

Ideal for vangs and other highly loaded control lines on sport boats and racing yachts

suits Chev V8

Mounts with 2 studs

Ronstan Ball Bearing, Series 40 - Double, Becket, Swivel Shackle Head perko 5 GPM - 19 litresSheaves running on Acetal or Torlon ball bearings provide high performance & low friction. The 2 stage ball bearing system provides consistent performance over the full load range. Features a swivel shackle head for full 360 rotation. Features: Low friction Acetal or Torlon bearing system Lightweight Cheek cut outs for easy bearing maintenance Non Locking Applications: Mainsheet Halyard Vang Spinnaker control lines on off the beach catamarans, one