Approximately 40mm distance between mounting holes (Nickel mounting screws #6-32 x 3/8"); designed to upgrade the cheap and replace nasty stock switches that come with most guitars and bassesNice durable sturdy switch with metal body - one piece shell to minimise "flexing" damage from any knocking on the switch tipSolid construction with shielding and solid feeling switching, smooth detents and quiet, no extraneous noise when switchingBody is enclosed and screwed shut, to avoid things from effecting contact points, with ground tags on both sidesEnclosed ball bearing operation. The thick, cast metal case provides a superior base and housing for the toggle and circuit board, also provides a more solid feel to the overall switch when it is mounted to the guitar Product Description Guitar Pickup Selector Switch Kaish Music About us: Kaish Music has a huge resource of replacement parts to customise your guitars and basses, from various knobs, pickguards to electronic components and hardwares, pickups. Whether you are a first-timer, weathered veteran, or just looking for an upgrade we've got you covered. Heavy Duty 5 Way Switch With Gold Plastic Tip Switch comes with mounting screws. Screws distance from center to center is 40mm (1-37/64"). The screws dimensions:Nickel Screws #6-32 x 3/8"; Gold Screws #6-32 x 3/16" Solid action feels durable Heavy Duty 5 Way Guitar Pickup Lever Switch Guitar Pickup Selector Switch for Strat Tele with Plastic Chrome Tip. if you are upgrading a guitar that came with a square 5-way fit this is the way to go. Wiring is exceptionally easy with prominent lugs and well marked. When switching between positions is when you really feel how Sturdy they are There are 3 lugs for the pickups leads (bridge, middle and neck) on one side of the switch, a ground, and on the other side are lugs for the 2 leads to the tone pots (middle and neck) and then the 2 for the output jack.