Each of 16 tent stakes is 16 inch long,10 mm(3/8 inch) diameter, with 2 inch hook for secure fastening to the ground.Made of weather resistant heavy duty steel rebar applied black powder coated. All rebar stakes with Chisel pointed ends for hard clay or rocky soils, makes penetrating and removal easily.You can use a hammer make the rebar stake inset into the ground deeper without bend. The rebar stakes are essential tool to hold down tents, sheds, chicken coops, shelters,cabins,gazebos.