Skip to product information
1 of 1
1 product view Open images for a closer look Compare photos with product details

Harken

Harken 16mm Double Block, 450lb MWL, Stainless Steel Ball Bearings

Harken 16mm Double Block, 450lb MWL, Stainless Steel Ball Bearings

SKUCT-108326

Regular price $36.95
Regular price Sale price $36.95
Sale Sold out
Shipping calculated at checkout.
Shipping rewards at $100 U.S. orders of $100 or more get free standard shipping, plus $10 off Expedited and Overnight.

Low stock

Quantity
Use the Tug & Tow SKUInclude this SKU when you contact us about fit, availability, or reorders.
Delivery shown at checkoutShipping options, final costs, and delivery estimates appear before payment.
Check fit before orderingReview dimensions, part numbers, model details, and compatibility notes.
Confirm the details before checkoutFit can depend on your boat, RV, trailer, vehicle, or equipment. Contact us before ordering if compatibility is critical.Ask a product question

Product details

Review the details before ordering.

Elevate your high-performance sailing with the Harken 16mm Double Block. As Harken's smallest block, this ultra-compact and lightweight component is specifically engineered for precision control on high-tech dinghies. Its patented bearing system, featuring stainless steel balls in a captive grooved race, ensures exceptionally smooth and low-friction operation, even under heavy loads. Trust in Harken's renowned quality to deliver reliable performance for your most demanding sailing needs. Upgrade your rigging today for superior handling and speed.

Key Features & Benefits:
  • Compact 16mm (5/8in) Sheave Diameter: Designed for precise integration and minimal footprint on small dinghies and control systems.
  • High 450lb (204kg) Maximum Working Load: Provides robust strength and reliability for critical control lines.
  • Exceptional 1200lb (544kg) Breaking Load: Offers a significant safety margin for peace of mind in challenging conditions.
  • Patented Stainless Steel Ball Bearing System: Ensures smooth, low-friction operation and long-term durability in marine environments.
  • Ultra-Lightweight Design: Weighing only 27g (.94oz), it minimizes weight aloft for enhanced performance.
  • Optimized for Small Lines: Accommodates a maximum line diameter of 5mm (7/32in), perfect for modern synthetic control lines.
Recommended Applications:

Ideal for small synthetic control lines on high-tech dinghies, big boat leech lines, downhauls, traveler controls, spinnaker pole trip lines, outhauls, cunningham systems, and halyards on prams.

Shipping & returns

Shipping methods, delivery estimates, and final costs appear at checkout before payment. Some bulky, supplier-shipped, or special-handling items may ship separately. See Shipping & Returns for return windows and eligibility.

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?

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.

View full details