Barton Size 1 30mm Plain Bearing Pulley Block Double w/Swivel [N01230] System Specific Gravity: 1

Specific Gravity: 1

Instruments and an all data gateway mode

red side light

36” (470 mm x 109 mm x 111 mm)

Barton Size 1 30mm Plain Bearing Pulley Block Double w/Swivel [N01230] System Specific Gravity: 1Size 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