Antal OPF Blocks 70 - Double Sheave Metal Primer Select from the option to

Select from the option to choose Halyard / Lines or Antenna type

Turn dial on wheel to match vessel's current heading

Opens to service deck plates or strainer caps with key holes up to 7" (178 mm) apart

A simple but effective device that will eliminates water surface reflection

Antal OPF Blocks 70 - Double Sheave Metal Primer Select from the option toAntal 00703 OPF (One Piece Frame) Blocks70 Double Sheave, the block without pins or screws, it is a light and strong solution: simply a hard black anodised and Teflon coated aluminium frame in one piece. Features composite fibre sheave, HR swivel head (high load HR shackles included if applicable) and One Piece Frame (OPF). Sheave diameter: 70 mm Max rope size: 12 mm SWL: 2200 kg Shackle: 8 mm HR Shackle Weight: 0. 38 kg (with shackle)