Harken 45mm Double Element Block Swivel Becket

The Harken 45mm Double Element Block with Swivel and Becket combines two sheaves, a swiveling head, and an integrated becket in one compact housing, well suited to two-part purchase systems that need a secure tie-off point.

Element blocks combine forged aluminum sideplates and compound curves for genuine strength in a contemporary, robust design, using the minimum metal necessary alongside a proven journal bearing to keep this block priced well below Harken's earlier equivalent lines.

Rated for an 875kg (1929 lb) maximum working load and 1750kg (3858 lb) breaking load, this double block handles a 12mm (1/2 inch) max line diameter at just 195g (6.8 oz). Hardcoat-anodized sideplates resist corrosion for long service life. Browse more sailing hardware at CritPro.

Key Features: sheave diameter: 45mm (1-3/4 inch), overall length: 127mm (5 inch), weight: 195g (6.8 oz), shackle pin: 6mm (1/4 inch), max line diameter: 12mm (1/2 inch), max working load: 875kg (1929 lbs), breaking load: 1750kg (3858 lbs), configuration: Swivel and Becket, sideplate material: Forged Aluminum.

Frequently Asked Questions

What is the maximum working load? 875kg (1929 lbs).

What size sheave does it use? 45mm (1-3/4 inch).

What is the maximum line diameter? 12mm (1/2 inch).