The spring hooks are marked in the US specification style of 5/16. Stainless Steel Clips 2-Pack Marine-Grade 316 Stainless Steel Spring Hooks 5 16 Quot AISI 316 stainless is a premium grade of stainless and is considered by many to be best in class. Grappling Hooks Stainless Steel 316 Spring Hook Carabiner No Eye 5/16" (8mm Small Spring Hooks Stainless Steel 316 Marine Grade Corrosion and rust resistant - for a long service life 316 stainless is corrosion resistant and very durable even in the harshest of conditions. 316 stainless is corrosion resistant and very durable even in the harshest of conditions., Breaking Load = 1118lbs US STAINLESS Stainless Steel 316 Spring Hook with Eyelet Carabiner 5/16" (8mm) Marine Grade ; Item Weight, 0.06 Kilograms ; Shape, Pear ; Unit Count, 1.0 Count Use to connect just about anything , Quality smooth action This is for one (1) quality marine grade stainless steel (AISI 316) spring hook long type with eyelet 5/16. Each spring hook is stamped 316. The eyelet is welded into place and non-removable. The Metric equivalent is generally considered to be 8mm. Not to be used for overhead lifting. AISI 316 stainless is a premium grade of stainless and is considered by many to be best in class. 316 stainless is corrosion resistant and very durable even in the harshest of conditions. Breaking Load = 801lbs Carabiner with Removable Eye
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