⛵ CONSTRUCTION: It is made of fine polished finish 316-grade stainless steel. ⛵ OVERALL DIMENSIONS: Shank Outside Diameter: ½ Inches, Shank Length: 1-3/4 Inches, Round inside diameter: 2-1/4 inches /56.7 mm, Overall length: 5-7/16 Inches /137.5mm; Shaft Length: 2-1/8 inches /54.5 mm; Shaft Diameter: 1/2 inch /12.8 mm. ⛵ SPECIFICATIONS: Strong corrosion resistance and durable in saltwater circumstances. ⛵ APPLICATIONS: Ideal for kayak, canoe, marine boat, dinghy, lifeboat, water raft boat, yacht, and so on. ⛵ PACKAGE CONTENT: 2 Pcs of 316 Stainless-Steel Heavy-Duty 2-1/4 Inches Round Rowlock Oarlock. Welcome to Marine City, your trusted destination for premium marine products. We take great pride in offering a diverse range of top-quality marine equipment and accessories catered to the needs of boat enthusiasts and professionals. We aim to exceed your expectations, forging lasting relationships built on trust and satisfaction. Choose Marine City for an unmatched selection of top-notch marine products that meet high standards