Barton Marine Size 3 45mm Plain Bearing Pulley Block Double w/Swivel [N03230] Treatzall This 316 stainless steel cup

This 316 stainless steel cup insert fits 30 oz and 20 oz double wall vacuum

For GPS operation the optional GA150 passive GPS antenna is required

Electrical Input - 240V

5 OPTO-Isolated NMEA 0183 inputs and 2 ISO-Drive NMEA 0183 outputs provide protection for all connected instruments

Barton Marine Size 3 45mm Plain Bearing Pulley Block Double w/Swivel [N03230] Treatzall This 316 stainless steel cupSize 3 45mm Plain Bearing Pulley Block Double with Swivel The size 3 Barton plain bearing blocks have a 45mm (1 3 4" sheave size 3 block range that incorporates modern design with stainless steel frames and the latest advanced materials, using 30% fiberglass filled nylon and Acetal sheaves to maximize their strength while keeping weight to a minimum. Suitable for use as mainsheet, vangs, lead blocks, or wherever a powerful and compact purchase system