Nautos Main sheet low profile blocks

I am looking at the Nautos 92083 to replace the lower main sheet blocks on a 1982 H16. Has any had any experience with this model?

Specs:
92083 TRIPLE SWIVEL RATCHET WITH CAM AND BECKET , ALUMINUM SHEAVE
WORKING LOAD 1450 LBS
BREAKING LOAD 2300 LBS
ROPE LINE UP TO 1/2 "
SHEAVE DIAMETER 57 MM
WEIGHT 14.7 OZ

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1980 18 foot class A Unicorn catamaran
1977 Super Sunfish (sold)
1979 Hobie (sold)
1983 Hobie 16 Hawiian Sunset (sold)
1981 Hobie 16 Tequilla Sunrise (sold)
2008 Hobie 16 (sold)
2023 Hobie 16
Founding member of the "San Dimas Yacht Club"
John

I've used them for a few years for the upper and lower blocks. I've had no problems with them. Occasionally I throw them in a bucket of clean water. Other than that, no maintenance.

Jim Clark-Dawe