Barton Size 1 30mm Plain Bearing Pulley Block Double w/Swivel [N01230] Marine Hardware | Swim Platforms and NMEA 0183 interface

and NMEA 0183 interface

Fairing Block Included

A double mini-UHF male adapter is also included for easy connection to Digital Antenna's 233-XM-50 Satellite Radio Antenna

Minimize Roller and Trailer Scuffs

Rack and Pinion

Barton Size 1 30mm Plain Bearing Pulley Block Double w/Swivel [N01230] Marine Hardware | Swim Platforms and NMEA 0183 interfaceSize 1 30mm Plain Bearing Pulley Block Double with Swivel The Size 1 Plain Bearing Blocks have a 30mm (1 3 16") sheave. The range is designed with an internal steel frame for added strength and durability. Also available in ball bearing sheave options, the lightweight modern design is available in variations that allow for a multitude of uses on every size craft. The 30mm sheave Size 1 block range is designed with an internal steel frame for added