Check the listing for details. 16x Square Compex Compatible Electrodes Pads 2x2" Concave Stud Electrodes. Color: as pictured, Condition: New. Listed at 29.93 USD. Therapy Products and More Relief is Just a Click Away! 16x Compex Compatible Easy to Snap Electrodes 2 x 2 inch-Concave Stud These Easy Snap (2" x 2") Electrodes work with snap-on cables only. They are not compatible with slide-on or pin-style leads 16x Compex Compatible Easy to Snap Electrodes 2 x 2 inch-Concave Stud These Easy Snap (2" x 2") Electrodes work with snap-on cables only. They are not compatible with slide-on or pin-style leads Therapy Products and More Relief is Just a Click Away! 16x Compex Compatible Easy to Snap Electrodes 2 x 2 inch-Concave Stud These Easy Snap (2" x 2") Electrodes work with snap-on cables only. They are not compatible with slide-on or pin-style leads 16x Compex Compatible Easy to Snap Electrodes 2 x 2 inch-Concave Stud These Easy Snap (2" x 2") Electrodes work with snap-on cables only. They are not compatible with slide-on or pin-style leads