CRL pickup selector switches are famous for durable, noise-free reliability and easy wiring since the early days of electric instruments.First choice of guitarists, made in USAYou asked for the best, and CRLs from StewMac give you more: FREE knobs, a handy wiring diagram, and versatile extra-length stainless steel mounting screws (you can install the switch in a carved guitar top, as well as a standard pickguard or control plate).Includes:Switch knobs: black and white for Strat®Phillips ovalhead 6-32 x 5/8 stainless mounting screwsSpecificationsBody cavity depth required: 1-3/8 (34.93mm)Mounting screw spacing: 1-5/8 (41.28mm)Lever stem: 0.052 x 0.188 (1.32mm x 4.78mm)Pickguard slot required (for the lever): 1/16 x 1-1/16 (1.59mm x 26.99mm) Made in USA, these switches are the first choice of guitarists CRL pickup selector switches are famous for durable, noise-free reliability and easy wiring since the early days of electric instruments Wiring diagram included Includes switch, 2 knobs (1 black and 1 white for Strat) and 2 Phillips roundhead 6-32 x 5/8 stainless mounting screws ASIN B01HYB72NK Model AN2001 Brand Name Waverly Unit Count 1.0 Count Part Number AN2001 Manufacturer CRL Material Type Metal Connector Type Quick Connect Operation Mode ON-OFF Insulation Resistance 100 Megaohms