Check the listing for details. C & K Key Switch Y1011U2C203NQ NIB NOS Electronic Part Security Panel. Condition: New. Listed at 12.00 USD. C & K rotary key switches. 2 position and 3 position. New Old Stock, never been used. All have two keys that say A 126 on them. So any key will work with any switch. Just one switch is missing the wire harness guard. Solder lug connections. Each switch also has the nut to mount it to the panel. 19 mm hole in panel Top of lock face to back of contact cover is approximately 37 mm. ¶¶¶¶¶¶¶¶¶¶¶¶¶¶∆¶¶¶¶¶¶¶¶¶¶¶∆∆∆∆ If you have any uncertainty about the item - whether it will suit your needs, or you would like another photo to enhance or show more/new detail - Please Ask! Multiple listings purchased within one business day may be combined - to save on shipping/handling - and generally I'm aware and will make accommodations on purchases, depending on my time available to do so. BUT TO MAKE SURE IT HAPPENS, PLEASE SEND ME A MESSAGE STATING YOU ARE PERUSING MY LISTINGS TO MAKE MORE PURCHASES.