Whitecap T-Handle Latch - Chrome Plated Zamac/White Nylon - Locking - Freshwater Use OnlyT Handle Latch Chrome Plated Zamac White Nylon Locking Freshwater OnlyFeatures: Nylon Body and CP Zamac handle Locking T Handle latch Short Offset Cam Bar Nylon body is white Neoprene O ring & Key fastener included Surface Depth 1 8" 3 4" Diameter 3" Cut Out 2 1 2" Chrome Plated Zamac parts should be installed on fresh water boats only T handle latch with keyed lockOutside Diameter: 3"Cut Out: 2 1 2"Surface Depth: 1 8" 3 4"Shaft: 3 8" (metric threads)