Features:Easy to install operate.The third pole can be wired to control an LED status light other custom function.There are a total of nine lugs on each switch, three per pole.At least 7/8" depth 1/2" diameter mounting hole are required, the threaded ption is 7/16" tall. Hex nuts, lock washer, flat washer inculded.Fitments:F rewiring vintage padals effect boxesF Electro-Harmonix, T Rex, Retro FX, Radial Bigshot,ect effects pedalsInstalled in the instrument has no col lines other components of the signal chain. Specifications:Material: MetalandPlasticCol: SilverandBlackPin Quantity: 9-PinActact Type: 3PDTSize: 2x1.7x4.3cm/0.79x0.67x1.69(LxWxH)Quantity: 1 Pc Note:Please allow 1-3mm err due to manual measurement. pls make sure you do not mind befe you bidDue to the difference between different monits, the picture may not reflect the actual col of the item. Thank youNo Retail PackagePackage Contents:1 x 3PDT 9-Pin Guitar Effects Stomp Switch Our products are made with the highest quality materials are designed to provide you with the best possible user experience. We strive to ship out all ders within three days of purchase, the estimated delivery time is 8-15 days. When shopping, please pay attention to the size dimensions of the product to ensure that it meets your needs. In the title , we have provided detailed infmation about the product, including its features specifications We want you to be completely satisfied with your purchase, so if you have any questions concerns, please don''''''''t hesitate to contact us. We are here to help will do our best to assist you. Thank you f choosing our product. We hope you enjoy it