Fangrui Product Details Electroculture Gardening Antenna Making Kit: This Kit Includes 8.2ft 99. Pure Copper Wire, 2 Fibonacci Coil Winding Jig And 6 Sturdy Wooden Stakes, Meet Your Needs For Making Electroculture Antennas. For Electroculture Gardening: Crafted With Premium Pure Copper, This Copper Wire Ensures Excellent Conductivity And Durability, Guaranteeing Long-lasting Performance And Optimal Results. Excellent Performance: It Features Thickness, Ensures Efficient Signal Transmission, Striking The Balance Between Strength And Flexibility. Its Super Plasticity Allows You To Easily Bend It Into Shapes. Effortless Creation: The Fibonacci Coil Winding Jig Offers A Simple And Efficient Solution For Crafting Fibonacci Coil Copper Antennas, Empowering You To Explore The World Of Electroculture Gardening. For All Gardening Enthusiasts: With Its 8.2ft (2.5 Meters) Length, This Copper Wire Is Suitable For Gardens Of Sizes. Its Easy To Install And Compatible With A Range Of Gardening Setups. Material: Plastic+meta