Quick Chain Link Repair Carabiner, Marine A4 Stainless Steel 316 Shackle (M4x40mm 4pcs)

A4 316 MARINE GRADE STAINLESS STEEL Material: A4 316 stainless steel. Grade properties: contains molybdenum. Applications: marine environments, coastal installations, outdoor use, saltwater exposure. Construction: solid stainless steel link with stainless threaded sleeve. M4 x 40mm OVAL QUICK LINK PROFILE Thread size: M4. Link length: 40mm. Shape: oval / D-style closed link. Closure: threaded sleeve that screws down to lock the link closed. Operation: unscrew sleeve to open, pass component through, screw sleeve closed. PACK OF 4 – STAINLESS QUICK LINK SHACKLES Pack contents: 4 M4 x 40mm stainless steel quick link shackles. Material: A4 316 stainless steel throughout. Each link: oval closed-link profile with threaded screw-down sleeve closure. Pack quantity stated to avoid confusion. CONNECTS CHAIN, ROPE, WIRE & CARABINERS Function: a semi-permanent connector for chain links, rope ends, wire rope thimbles, shackles, carabiners, and other rigging hardware. Use cases: chain repair, dog lead attachment, awning anchor, sun sail rigging, fence chain, garden trellis, marine deck fitting, boat rigging. NOT CERTIFIED FOR OVERHEAD LIFTING Working Load Limit (WLL): not supplied with certified load rating. Use cases: general attachment, rigging, securing, chain repair, tie-down applications. Not intended for: overhead lifting of personnel or critical loads. For certified lifting: please use suppliers providing WLL certification.