Check the listing for details. 500 ECG EKG Nikotab Resting Tab Electrode Non-Radioluce Tab Clip Connector 0515. Condition: New. Listed at 47.99 USD. Lot of 500, Nikotab ECG / EKG Resting Tab Electrode (ECG Resting Electrode) Monitoring Resting Tabs, Clip Connector #0515 Condition: Brand new in OEM (genuine) Box Quantity: 500 Tabs, 500/Box, 1 Box of 500 Resting Tabs Electrode Feature: Nikotab Item # 0515 Application: ECG Resting Electrode Backing Material: Tape Backing Material: Silver / Silver Chloride (Ag / AgCl) Dimensions: 19/10 X 1-17/50 Inch (23x34mm) Shape: Rectangle Connection Type: Clip Connector/Tab Connector Gel Type: Solid gel X-Ray Compatibility: Non-Radiolucent Single Use Disposable User: Adult Disclaimer: "The sale of this item may be subject to regulation by the U.S. Food and Drug Administration and state and local regulatory agencies. If so, do not bid on this item unless you are an authorized purchaser. If the item is subject to FDA regulation, I will verify your status as an authorized purchaser of this item before shipping of the item."