Lewmar 40mm Control Block Double
Availability: Please give 24-36 business hours for our team to process your order. Once processed, lead time is 5-7 business days if item is in stock. Please call to check availability. Not available for expedited shipping. Usually Ships Within 20 Days
Shipping and Delivery
Free shipping for orders of $98 or more (US Continental)
- Free shipping for orders of $750 or more (International)
- Add 3 business days to the standard shipping time for USPS deliveries.
- UPS and FedEx Ground usually take 2 to 5 business days for in-stock orders.
- UPS and FedEx deliver on Saturdays only for Friday overnight shipments, which may incur an extra
charge. - Orders that apply for free shipping will be delivered between 8 and 10 business days.
- International customers will be responsible for any applicable import duties,fees, or taxes.
- Oversized items like whisker poles, spinnaker poles, and tracks over 7 feet require freight shipping, with an estimated cost of $500 depending on the destination.These orders must be delivered to a
commercial address, such as a marina, yacht club, or boatyard where your sailboat is located.
A recipient must be present to sign for the delivery upon arrival,For more info, Click Here.
Lewmar 40mm Control Block Double
Lewmar 40mm Control Block Double
The Lewmar Control Block Double provides smooth, efficient handling of control lines with increased mechanical advantage in a compact form. Its twin-sheave design helps distribute load evenly, improving trimming efficiency and control. Manufactured from durable, marine-grade materials, the block delivers reliable, low-friction performance in demanding onboard environments. Ideal for control lines, fine-tuning systems, and performance-oriented deck layouts on cruising and racing yachts.
Features:
Precise Line Management
The Lewmar Control Block Double is engineered to deliver smooth, efficient handling of control lines where accuracy and responsiveness are essential. Designed for modern sailing systems, I provide dependable mechanical advantage and refined load management, supporting confident trimming and adjustment in both cruising and performance applications.
Compact Double-Sheave Design
Featuring a twin-sheave configuration, the Control Block Double enables increased purchase within a compact footprint. This efficient arrangement allows loads to be shared evenly across the system, reducing effort at the line while maintaining clean, organised deck layouts, ideal for control lines that require frequent, precise adjustment.
Marine-Grade Construction
Manufactured from durable, marine-grade materials, the Control Block Double is built to withstand the demands of the onboard environment. Precision-engineered sheaves and robust side plates ensure strength, dimensional stability, and resistance to wear, delivering consistent performance under repeated load and exposure to saltwater conditions.
Smooth, Reliable Performance
Designed to minimise friction and promote efficient rope flow, the block delivers predictable, controlled movement during trimming and easing. Its stable geometry helps maintain alignment and consistent load transfer, supporting accurate sail control and reducing fatigue during extended sailing or high-workload manoeuvres.
Technical Description
| Product Type | Hardware |
| Hardware Type | Blocks |
| Boat Type | Sail |
| Block Type | Double |
| Block Size | Double |
| Sheave Diameter | 40mm |
| Boat Length | Up to 30ft, 31-50ft, 51-70ft |
