New in package.  Purchased for a project and never used.

For sailboats (Dinghy) up to 16' 

STAINLESS STEEL TOP SWIVEL
ANODIZED ALUMINUM
Fixed on the stay
Spooling
Maximum Sail Area 9m
The Sail Furls on Stay

Imperial - Metric
Pin-to-Pin Length 2 1/8" - 55 mm ( Drum)
Drum Dia. 2 7/8" - 73 mm
Line Dia. 5/32" - 4 mm
Jaw Width 5/16" - 8 mm
Clevis Pin Dia. 1/4" - 6 mm
Weight Top and drum 14 oz- . 392 gr
Maximum Working Load 500 lbs - 228 kgs
Breaking load 1000 lbs