The ground spikes are made of high-quality plastic materials, which are very durable and long lasting. Can be easily assembled for use in most landscape lighting fixtures. Very suitable for decorating the garden and your home. Its exquisite workmanship, the surface is polished without burrs, and it is not easy to hurt your hands during installation. Features -Color: Black. -Material: Plastic. -Size(14 x 140mm hole M8): About 14.00X1.40X1.40cm/ 5.50X0.55X0.55in ch. -Size (17 x 160MM hole M10.5): About 17.00X1.60X1.60cm/6.68X0.63X0.63inch. -Made of excellent materials, durable and able to serve you for a long time. -Easy to assemble and install, it can be used with most landscape lighting fixtures. -The lightweight design can be well fixed on the lawn to create a romantic atmosphere. -It can be used to add luster to your beautified environment during festivals and other holidays. -A good accessory for garden decoration. An indispensable tool for outdoor parties.