Size 3 45mm Plain Bearing Pulley Block Double Upright Block. The size 3 Barton plain bearing blocks have 45mm (1 3/4" sheave size 3 block range incorporates modern design with stainless steel frames and the latest advanced materials, using 30% fibre glass filled nylon and Acetal sheaves to maximise their strength whilst keeping weight to a minimum. Suitable for use as mainsheet, vangs, lead blocks, or wherever a powerful and compact purchase system is required on dinghies, dayboats, and lightweight cruisers. Suitable for up to 10mm (3/8") rope. Rainforest spec: Sheave size 45mm x 13mm, Max rope Ø mm 10, Safe Working Load kg. 400, Break load kg. 800, length mm 75. Ideal for sailing and deck hardware applications.
| Materials & Construction | |
| Color | Black |
| Material | 30% fiberglass-filled nylon, Acetal sheaves |
| Outer Material | Stainless steel frame |
| Product Details | |
| Break Load | 1,763.70 pounds |
| Length | 2.95 inches |
| Max Rope Diameter | 0.39 inches |
| Safe Working Load | 881.85 pounds |
| Series | 3 |
| Sheave Size | 1.77 x 0.51 inches |
| Style | Double Upright Block |
| Sizing & Dimensions | |
| Size | 45mm sheave |
| Weight | 5.60 ounces |
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