Stainless Steel 316 Marine Grade Quick Release $9.00 – $12.00 Stainless Steel 316 Quick Release Our marine grade quick releases open quickly and effortless in case of an emergency. These quick releases contribute highly in safety, convenience and efficiency of your diving. They are made of stainless steel 316 marine grade material, making them durable and not easy to break. The spring pull lock can be removed quickly and is easy to use. The stainless steel quick release comes in two sizes, one with an overall length of 70mm, which we recommend for lanyards and one with a total length of 87mm.