Manufacturer part #:RF661
Technical Description
Series 19 Tube Rivet Block
3/4 in
19 mm
3/16 in
5 mm
330 lb
150 kg
990 lb
450 kg
0.4 oz
10 g
Manufacturer part #:RF661
Lightweight durable construction Economical Maintenance free Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance. Hollow rivets in the block heads can be fitted with shackles, which can also be used to add a becket for extra purchase.
ApplicationsVang, cunningham and trapeze retriever systems on dinghies Leech line tackles, bunk adjusters etc on larger yachts Materials
U.V. stabilised Acetal sheaves Grade 316 stainless steel cheeks
Applications
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A Good Choice for Wire Antenna Support Lines
These blocks meet or exceed my expectations. They are small and light, and the pulleys turn smoothly under load. The blocks are a perfect fit for the 5 mm (3/16 inch) Dacron cord that I am using to suspend the ends of a 240-foot wire between two tall trees. The blocks have survived the considerable tension applied to them during the antenna-installation process. Although I cannot predict how durable they will be over a period of years, I am confident that they will not be the first component of the antenna system to fail.