Brand: Ronstan
Ronstan Series 25 Orbit Block - Lashing Head, 25mm
Ronstan Series 25 Orbit Block - Lashing Head, 25mm
6 available
The Ronstan Series 25 Orbit Block with lashing head is a high-performance, single-sheave ball bearing block engineered for dinghies and small boats up to 4 meters (13 feet). This compact block features a 2-stage ball bearing system designed to provide a high strength-to-weight ratio for control line applications such as mainsheet turning, spinnaker sheets, cunninghams, and cascading vangs.
- Construction: High-compression acetal sheave and balls with a toughened, glass-fiber-reinforced nylon frame.
- Attachment: Stainless steel hollow hub designed for versatile 4mm (5/32 in.) lashing and through-sheave becket functionality.
- Capacity: Suitable for lines up to 8mm (5/16 in.) diameter.
- Performance: 1,650 lb breaking load.
- Specifications: 25mm (1 in.) sheave diameter and 0.5 oz weight.
- Part Number: RF28109.
Product facts
- CT SKU
- CT-116819
- UPC / GTIN
- 9316800661923
- Package weight
- 0.05 lb
Fit-sensitive item: confirm measurements, model numbers, and manufacturer details before ordering. Tug & Tow does not guarantee universal compatibility from a product page alone.
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Shipping & returns
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Fit & compatibility
Fit & compatibility
Review the product title, description, images, dimensions, part numbers, and manufacturer details before purchase. For fit-sensitive items, confirm compatibility with your boat, RV, trailer, vehicle, or equipment.
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Need help choosing?
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