ITEM NAME:304 Stainless Steel Spring Snap Hook Carabiner Marine Grade Safety Clip withG2F9 304 Stainless Steel Spring Snap Hook Carabiner Marine Grade Safety Clip withG2F9 HIGH GRADE:This Spring Hook Carabiner is made by marine grade 316 stainless steel for superior strength, excellent rust & corrosion resistance in the harshest of.HIGH GRADE:This Spring Hook Carabiner is made by marine grade 316 stainless steel for superior strength, excellent rust & corrosion resistance in the harshest of conditions. Material: 304 stainless steel.