There are many suppliers of components and hardware that can be used when working on your instruments. One of my favorites is a company called Keystone Electronics Corp. Their address is 31-07 20th Road, Astoria, New York 11105-2017 (718-956-8900). You can ask for their catalog or have your local electronics store order a one for you. They can also give you the name of the nearest distributor. The Keystone catalog is great to look at with lots of drawings and specifications useful for repairman and builders. Some of the useful components need for guitar modification and repair are: Alligator Clips, Banana Plugs & Jacks, Battery Holders, Brackets (Mounting), Bushings, Grommets, Cable Clamps, Clips, Connectors, Eyelet’s, Fibre Washers, Fuse Clips & Holders, Handles, Insulating Hardware, Jacks, Lugs, Nuts, Phono Jacks & Plugs, Testing Probes, Screws, Solderless Terminals, Spacers, Standoffs, Tools and many other useful items.