●Anchor Pegs: Made of reinforced aluminum alloy (surface anodized treatment), it is lightweight, durable, and has excellent corrosion resistance and abrasion resistance ●Canabila: Aluminum alloy material, each 0.4 oz (10 g) ultra-lightweight D-ring. Please note that this is not a carabiner for mountain climbing ●Spring: Stainless steel, high elasticity and good precision. Helps prevent deck pegs from falling down and spinning ●Applications: The wood deck beg set is perfect for outdoor activities, camping, hiking, backpacking, picnics, etc ●✅【What You Get】-- Deck board anchor hooks x 6, spring x 6, canavira x 6