Description
HARKEN Zircon 29mm Triple Block – 1211
HARKEN Zircon 29mm Triple Block – 1211 uses Harken Zircon low-friction block technology for high-performance control systems where sensitivity and very free running are important.
- Smaller sizes are ideal for control lines requiring multi-part purchases.
- Not an all-purpose block , but engineered for high-precision, high-response applications.
- Immediate reaction under changing loads , perfect for fine-tuning Cunningham systems or adjusting jib leads.
- Provides quick, efficient control for dinghies, beachcats, and sportboats , especially in choppy or variable conditions.
- Industrial ceramic ball bearings minimize rolling friction.
Harken Zircon 29Mm Trpl Block – 1211 Zircon lineup expanded with six new blocks featuring 29 mm sheave diameters , increasing the range from 8 to 18 models Smaller sizes are ideal for control lines requiring multi-part purchases Not an all-purpose block , but engineered for high-precision, high-response applications Immediate reaction under changing loads , perfect for fine-tuning Cunningham systems or adjusting jib leads Provides quick, efficient control for dinghies, beachcats, and sportboats , especially in chop
For best results, confirm the Harken part number and system compatibility before installation, and operate the hardware within Harken’s published line-size and load limits.
Specifications
- Manufacturer: Harken
- Part Number: 1211
- Series / Family: Zircon
- Nominal Size: 29 mm
- Configuration: Triple
- Bearing Type: Caged ceramic ball bearings

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