Come and Check Our Promo Solutions.This brush consists of hard brass, soft nylon brush and a sharp spike.The brass bristles are strong and study and do a great job of cleaning the irons; the normal nylon brush is perfect for subsequently cleaning dirt off; the needle is great and allows you to remove the dirt and mud from the grooves or clean golf shoes. This golf bristles and spikes retract back into the cleaner when not in use. It can prevent you from scratching your bag. Pls check inventory and detailed info with us before placing your orders.