5" Aluminum jamming cleat.   Perfect for jib or spinnaker sheets as a simple and strong attachment.  316 Black anodized aluminum.   Length 4" (102 mm), Line Score 5/16" (8 mm), Fasteners (2), #10 FH (5 mm), C/C A 1-1/16" (27 mm), Weight 1.5 oz. (43 g)