RECENTLY VIEWED
Skip to main content
DK Hardware Professional Tax Exempt? Net 30? - DK Net Terms
Roll over image to zoom in
Product Features
Product Overview
Related Videos
Reviews
Questions & Answers
See reviewsSee reviews
30 Days Easy Return. We are the largest supplier of the most adaptable, personalized hardware in the industry. We work hard to ensure you're satisfied with our products.
WARNING: This Product May Contain Chemicals Known to the State of California to Cause Cancer or Reproductive Harm. To Learn More Visit P65Warnings.ca.gov
Features
- Extremely popular single block found on sailboats of all sizes
- Swivel shackle allows the block to rotate and to be easily attached and removed
- Used on many types of control systems
- Corrosion-resistant stainless steel straps reinforce these blocks
- Ball bearings, sheave and sideplates are UV stabilized
- Fast trim and release under load: Free-running ball bearings roll on flat races with minimal friction
- Sheave Diameter: 1 1/8" (29 mm)
- Max. Line Diameter: 5/16" (8 mm)
- Max. Working Load (MWL): 300 lb. (136 kg)
- Breaking Load: 2000 lb. (907 kg)
- Weight: 1.5 oz. (43 g)
- Length: 2 3/4" (70 mm)
- Shackle Pin: 3/16" (5 mm)
Diameter
5/16 Inch
Length
2 3/4 Inches
Type
Single
Weight
1.5 Ounces
Direction
Any
Safe Working Load
300 Pounds
Mount Type
Swivel Shackle
Ball Bearing
Delrin
Becket
No Becket
Integral Cleat
No Integral Cleat
Ratchet
Non Ratcheting
Sheave Diameter
29 mm
Product Overview
The Harken 166 29mm Single Bullet Block with Swivel is a simple, classic and reliable workhorse found on sailboats of all sizes. Harken designed their low-friction Bullet Blocks to lead control lines aft, but these truly Classic blocks can be found in an endless variety of applications. They are compact and lightweight, with free-running ball bearings that roll on flat races with minimal friction. They deliver dependable fast trim and release under high or low loads. A range of styles lets these blocks adapt to almost all control line applications. Ideal for cunninghams, vangs, outhauls, traveler controls, spinnaker controls, barberhaulers, etc.