HARKEN 51mm Single High-Strength Block, 308 Type_Trouser The Harken 29 mm Carbo

The Harken 29 mm Carbo Outboard Lead Block Assembly is used on a bow pulpit as an outboard lead and it allows the furling line to travel outboard of the stanchion to keep the side deck clear

The 442 uses a spacer and the 404 uses an O-ring to keep the line in the sheave during intermittent loading

you get a 10:1 holding power

Stainless steel sideplates add strength

and sailors have resulted in the Lewmar HTX Hardware Range

HARKEN 51mm Single High-Strength Block, 308 Type_Trouser The Harken 29 mm CarboHarken 51mm Single High Strength Block to carry wire halyards and high strength control lines. Harken's Lightweight, low friction blocks with high load composite bearings carry wire halyards and control line cascades. Side load balls reduce friction from twists or unfair leads on 304 311. 300 303 has thrust washers. Blocks open to allow passage of swaged wire. Hard Lube anodized sheave for strength and corrosion resistance. Cheek blocks include