Barton Plain Bearing Pulley Block Back to Back Swivel Block - Size 1, 30mm [N01280] Communication | Cellular Amplifiers 6W Transmit power

6W Transmit power

Fold-Down Adjustable Angle

The largest size can be attached using a 16mm line with a bullseye diameter of 28mm

Fits standard surface mounted ST60+ instruments

Eight locking screws

Barton Plain Bearing Pulley Block Back to Back Swivel Block - Size 1, 30mm [N01280] Communication | Cellular Amplifiers 6W Transmit powerPlain Bearing Pulley Block Back to Back Swivel Block Size 1, 30mm 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. Suitable for up to 8mm (5 16") rope.