Toolflex is the most user friendly product on the market, it has no sharp hooks, no protruding steel supports, so it is extra safe. Can be used inside or outside. It will not rust and will last a lifetime. Toolflex is comprised of a series of simple and flexible equipment holders that facilitate the storage of handle-equipped tools in most environments. Toolflex is the natural accessory in storage sheds, garden sheds or garages, where a great variety of equipment is stored in small places. The holders are made of a durable plastic material with grips of flexible EPDM rubber, which grasp tool handles easily and with only light hand-pressure. This unique storage system gets rid of unsightly nails, hooks and shelves that are taking up valuable space. Toolflex allows you to organize your items to be stored into a much smaller, organized area. Tool holders sold in 2-pack with screws for easy set-up. You can find easily that size in your store by looking for the red pins Medium = 20-30 mm