Marine-grade A4 (316) stainless steel ceiling hook designed for strong, corrosion-resistant hanging points in wet, coastal, and outdoor environments. With a 4.8mm gauge, 75mm overall length, and 17mm hook opening, it’s ideal for suspending light fittings, ropes, chains, signage, plants, and general hardware around boats, marinas, pergolas, and workshops. The smooth formed hook and durable finish help resist rust and pitting where standard steel hooks fail