Twing Block

Harken 40mm Twing Block is used for spinnaker sheet, spinnaker brace and code zero sheet up-down control.

The Twing Block features:

• opening sideplate making it easy to rig and remove sheets
• spring biased to open when unlatched for one-handed operation
•  roller at pivot base for 1:1 or 2:1 up-down control
• Carbo Air® block construction - high strength for durability and light weight for maximum float in light air.

Specifications:

• Max sheet diameter:                12mm
• Max up-down line diameter:   10mm
• Max working load:                   275kg
• Breaking load:                          825kg