Chain Anchor:We have the complete series of the Chain Anchor . It is 18" Chain Anchor with 3" Delta Ring. Chain Anchor:We have the complete series of the Chain Anchor .·It is 18" Chain Anchor with 3" Delta Ring.·Breaking Strength:7,364kgs/16,200Ibs·Materials: iron, stainless steel, aluminum·Surface treatment: Zinc plated, Polished, Raw, Anodized Chain Anchor