Toolflex Small Tool Holder 15-20mm 2-Pack, Screws into Wall or Rail 473-502-1 Tool holders sold in 2-pack with screws for easy set-up Suitable for tools with perimeter 15-20 mm. Made of a durable plastic material with grips of flexible EPDM rubber Storage system gets rid of unsightly nails, hooks and shelves that are taking up valuable space Can be used inside or outside