Manufacturer part #: 166
Technical Description
Single/Swivel
1 1/8 in
29 mm
2 3/4 in
70 mm
1.5 oz
43 g
5/16 in
8 mm
3/16 in
5 mm
300 lb
136 kg
2000 lb
907 kg
Low-friction Bullet blocks lead control lines aft. They are compact and lightweight, with fast trim and release under high or low loads. A range of styles lets these blocks adapt to almost all control line applications.
Delrin® ball bearings, sheave, and sideplates are UV stabilized with carbon black for maximum protection. Wire Bullet blocks use roller bearings to carry higher loads and feature Hardkote-anodized Teflon® impregnated aluminum sheaves for strength and corrosion resistance. Mast exit blocks with cams used for halyard controls and under boom mainsheets.
Pivoting exit blocks with cams are often used for halyard controls and as "head knockers" for sheeting directly from the boom.
Use for:
Delrin® ball bearings, sheave, and sideplates are UV stabilized with carbon black for maximum protection. Wire Bullet blocks use roller bearings to carry higher loads and feature Hardkote-anodized Teflon® impregnated aluminum sheaves for strength and corrosion resistance. Mast exit blocks with cams used for halyard controls and under boom mainsheets.
Pivoting exit blocks with cams are often used for halyard controls and as "head knockers" for sheeting directly from the boom.
Use for:
- Outhauls
- Vangs
- Barberhaulers
- Cunninghams
- Traveler controls
- Furling line leads
- Flag halyards
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Harken Swivel Bullet Block
These are the good old blocks your Father used. A solid product that lasts a long time and rarely fails. Not as slick and fancy as some of the newer designs but won’t let you down.