SeaLux Marine 3/8" stock Fixed Welding Plate Bow Eye Stern Eye U-Bolt 5" Length with 3-1/2" Stud Length SeaLux Marine 3/8" stock Fixed Welding Plate Bow Eye Stern Eye 5", Studs Length 3 1/2"Constructed of polished 304 stainless steel, from 304 stainless steel and have welded base plates to minimize potential corrosion and offer superior sealing.this U-bolt measures approximately 2 1/4" W x 5" H x 3/4" D overall and has (2) approximate 3/8" diameter x 3 1/8" long threaded bolts with 1 7/16" apart center on center.The clearance is approximately 1". Nuts and Washer included, sold individually.************Part manufacturer: Southco ************Part number: M7-32-9026295 ************ Material: Polished Stainless Steel ************ Height: 5" ************ Stud Diameter: 3/8" ************ Stud Length: 3-1/2" ;****************Thread Length: 3 1/8" ************ Center on Center: 1 7/16" (36mm) ************ Bow Eye Opening: 1” ************ Space Between Studs: 1" ************ Nuts and washer included **************** Instruction / installation manual not included.