18.07 Bottom Rudder Pintle, 3-hole Mounting, 5/16" (8mm) pin, Inside depth 4" (102mm), Overall length 4-7/8" (124mm), Height (mounting) 3/4" (19mm), Overall Height 2-7/8" (73mm), C/C Fasteners 1.5" (38mm) 5mm fastener size