These homemade tenya lures for catching Japanese Spanish mackerel (Tachi-uo) with a sardine hold are popular among my fishing buddies. They are approximately 9 cm long and made with 1.6 mm ultra-hard stainless steel, so they won't bend, break, or rust easily, making them economical for repeated use. Made of 1.6mm industrial-grade ultra-hard stainless steel. Strength is guaranteed. Sold as a set of 10. Please understand that these are handmade products, so there may be slight variations in the products. Please refrain from purchasing if you are overly concerned about minor imperfections. Please do not ask for discounts.