Johnson Lifeline Toggle Jaw with Eye, 105540 Shackles_Snap Shackles ESP blocks feature sleeve bearings

ESP blocks feature sleeve bearings to ensure smooth

and a self-aligning head to reduce friction and increase efficiency by up to 40%

Harken 76mm Midrange Double Block with Becket allows either a 2:1 or 3:1 purchase

Some models have slight variations due to imprecise machining when countersinking

these blocks have self-aligning features to maximize efficiency and reduce wear to both line and block

Johnson Lifeline Toggle Jaw with Eye, 105540 Shackles_Snap Shackles ESP blocks feature sleeve bearingsJohnson now offers its popular lifeline fittings with eye ends for today's high tech, low stretch line. They recommend 1 4" (6mm) Dyneema rope in grey or blue. This is a 12 strand single braid that is 1 7th the weight of 1 4" 1x19 cable, offering the same strength at about the same cost. Johnson recommends changing out the line at 4 year intervals.