M6/M8/M10/M12 Rawlbolts Ankle Heavy Duty Concrete Expansion Shield Anchor With Hex/Hook/Eye Bolt - AliExpress
Amazon.com: Swingzy Swing Anchor Fasteners 10 mm Hook for Swing/Hook for Hanging Swing and Ceiling/Brass Hook/Anchor Fastener Nut Bolt for Swing & Multipurpose/Weight Bear up to 250 kgs (Pack of 4 Hooks,
Heavy Duty Shield Anchor with Hook, Concrete Anchor Bolt, Yellow Zinc Plated. Galvanzied - China Shield Anchor, Heavy Duty Shield Anchor | Made-in-China.com