Always Free Shipping—No Minimum Order · Contiguous U.S. orders only. Alaska and Hawaii excluded.
Shipping & Delivery
Always Free Shipping—No Minimum Order Contiguous U.S. orders only. Alaska and Hawaii excluded.
Returns & Refunds
Eligible items may be returned within 30 days of delivery. Items must be new, unused, uninstalled, and in original packaging. An RMA is required.
Installment options at checkout are provided by Shop Pay and its partners and are subject to eligibility. Options depend on your purchase amount and may require a credit check by the financing partner. Terms, rates, and eligibility are determined by the financing partner. For details, see the Shop Pay Installments terms during checkout.
40mm Carbo Air Cheek Block
Low-friction Carbo Air blocks are lightweight, strong, reliableand affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming.
Specifications:
Sheave (mm)40 mm
Sheave (in)1 9/16 in
Maximum line (mm)10 mm
Maximum line (in)3/8 in
Maximum working load (kg)220 kg
Maximum working load (lb)485 lb
Harken 2644 40mm Carbo Air Cheek Block delivers lightweight, reliable line control for sailors and rigging applications that require smooth, efficient trimming. Designed as part of Harken’s Carbo Air block family, this compact cheek block combines low-friction operation with a strong working load rating, making it a practical choice for routing and managing lines in a variety of marine systems.
Built to complement the popular Harken Black Magic block line, the Carbo Air cheek block is designed for dependable performance without unnecessary bulk. Its 40mm sheave accommodates line up to 3/8 inch, while the maximum working load of 485 pounds supports demanding trimming applications. Use it where controlled line movement, compact installation, and efficient handling are important, including sailboat rigging and other marine line-control setups.
Key Features:
Low-friction sheave: Helps provide smooth line movement for easier trimming and handling.
Lightweight, compact design: Fits applications where efficient line routing and reduced hardware bulk are important.
40mm sheave: Supports line up to 3/8 inch for common marine rigging applications.
High working load: Rated for a maximum working load of 485 pounds for reliable line control.
Harken Carbo Air construction: Offers a practical balance of strength, reliability, and affordability.
Product Details:
Brand: Harken
Part number: 2644
Product type: Carbo Air cheek block
Sheave size: 40 mm (1 9/16 inches)
Maximum line size: 10 mm (3/8 inch)
Maximum working load: 220 kg (485 pounds)
Choose the Harken 2644 40mm Carbo Air Cheek Block for compact, low-friction line control backed by Harken’s established marine hardware design.
SEO Meta Description: Harken 2644 40mm Carbo Air cheek block offers lightweight, low-friction line control for marine rigging, with a 485-pound working load.
It worked as is described and it got my uncle‘s fridge back up and running perfectly
Norcold Gas Control
Dennis Johnsen
The Trident Marin Extra Flex Corrugated Wet Exhaust hose works great. I had to replace the old hose coming from the generator muffler to the exhaust pipe going out the hull. The hose needed to be curved and the flex was perfect. Delivery was fast with no issues. Thank you
Trident Marine 2" Extra-Flex Corrugated Marine Wet Exhaust Hose - Sold by the Foot
James Cline
Very pleased with that product
Caliber BunkWrap Kit - Black 16' x 2" x 4" Roll + 4 Caps + HRDW Roll + 4 Endcaps & Stainless Steel Hardware
Gerald
As discribed. Brand new in excellent shape, fast delivery, well made and an awesome price. Super job thanks a million!
The Trident Marin Extra Flex Corrugated Wet Exhaust hose works great. I had to replace the old hose coming from the generator muffler to the exhaust pipe going out the hull. The hose needed to be curved and the flex was perfect. Delivery was fast with no issues. Thank you
J
Caliber BunkWrap Kit - Black 16' x 2" x 4" Roll + 4 Caps + HRDW Roll + 4 Endcaps & Stainless Steel Hardware James Cline
I ordered my product August 30! I have yet to receive it! My shipping cost was over ten dollars ! I could of walked there and picked it up,it would have been faster!
No option for zero stars. I ordered a roll of 6 awg duplex wire and they drop shipped me a cheap, completely unrelated item. Nobody answers emails or the phone.
