HARKEN 27mm Low-Beam Pinstop Track — 1.8 m, R27.1.8M Block Configuration_Classic The rivets are hollow and

The rivets are hollow and can be used to fasten the blocks with screws

Blocks feature Cam-Lock or U-Lock locking systems to lock the shackle in front or side positions

5 Series blocks offer small to medium-sized cruising and racing yachts an extremely high strength/weight ratio resulting in a highly refined and reliable block

easy adjustments

it is the only handle to feature an auto Quick-Lock™ mechanism that allows you to place the drive head straight into the winch socket without the need to depress or rotate a knob

HARKEN 27mm Low-Beam Pinstop Track — 1.8 m, R27.1.8M Block Configuration_Classic The rivets are hollow andTrack is extruded from high grade 6061 T6 aluminum and hardcoat anodized for a hard, long lasting surface. Track is predrilled with holes for mounting fasteners and one pinstop hole between each fastener.