Sea-Dog Sea Dog Prop Wrench 1 1/16in. Compact size for just the right leverage. This multi-tool fits garboard drain plugs with 9/16" square heads and includes an integrated pin on the handle tip to bend tab washers. Features of Sea-Dog 531112 Sea Dog Prop Wrench 1 1/16in Tightens all standard 1-1/16" prop nuts Compact size for just the right leverage Fits garboard drain plugs with 9/16" square heads Includes an integrated pin on the handle tip to bend tab washers Package Contents: Sea-Dog 531112 Sea Dog Prop Wrench 1 1/16in Sea-Dog 531112: Sea Dog Prop Wrench 1 1/16in