Description
Single Stainless Steel Block – 51mm Sheave
Single block with stainless steel cheeks. Delrin sheave ensures smooth operation and high safe working load.
Specifications:
Sheave Dia. 2″ (51mm)
Thickness 15/16″ (24mm)
Width 2 1/8″ (54mm)
Length 4 13/32″ (112mm)
SWL 1750 lbs. (795kg)
Weight 7.1oz (201g)
Max Line 7/16″ (11mm)

![Ronstan Series 50 All Purpose Block – Double [RF51200]](https://www.apartship.com/wp-content/uploads/2025/4/1745803850/ronstan-series-50-all-purpose-block-double-rf51200-1745803854.webp)
![Barton Marine Size 0 20mm Plain Bearing Pulley Block Cheek [N00160]](https://www.apartship.com/wp-content/uploads/2025/4/1745803739/barton-marine-size-0-20mm-plain-bearing-pulley-block-cheek-n00160-1745803743.webp)
![Barton Marine Size 3 45mm Plain Bearing Pulley Block Double w/Swivel [N03230]](https://www.apartship.com/wp-content/uploads/2025/4/1745803739/barton-marine-size-3-45mm-plain-bearing-pulley-block-double-w-swivel-n03230-1745803743.webp)
![Barton Marine Size 3 45mm Plain Bearing Pulley Block Single With Fixed Eye [N03110]](https://www.apartship.com/wp-content/uploads/2025/4/1745803739/barton-marine-size-3-45mm-plain-bearing-pulley-block-single-with-fixed-eye-n03110-1745803743.webp)