Brand: Ronstan
Ronstan Series 25 Orbit Block - Lashing Head, 25mm
Ronstan Series 25 Orbit Block - Lashing Head, 25mm
3 available
About this product
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.
- Secure checkout
- 21-day return requests
- Free standard shipping $100+
Product facts
- CT SKU
- CT-116819
- Model / MPN
- RF28109
- UPC / GTIN
- 9316800661923
- Package dimensions (H × W × L)
- 1" X 2" X 4"
- Package weight
- 0.05 lb
Shipping & returns
Shipping & returns
Request an eligible return within 21 calendar days after delivery. Every physical return requires written approval and an RMA number and must be shipped within five business days after the RMA is issued. The customer pays return shipping for an ordinary return. Tug & Tow provides prepaid return shipping for a verified damaged, defective, short, or incorrect shipment. We do not charge a restocking fee. See Shipping & Returns for eligibility, exclusions, and details.
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.
Need help choosing?
Need help choosing?
Send us the product link or SKU, plus details about your boat, RV, trailer, vehicle, or project. We will help you narrow down the right option when product fit is not obvious.
