Check the listing for details. XL Replacement Electrode Pads(16) Rectangular for HEALTH HERALD Massagers TENS. Condition: New. Listed at 29.97 USD. XL LONG MASSAGE PADS ELECTRODES (16) FOR USE WITH DIGITAL MASSAGER TENS These XL (X-Large) Massage Pads are flexible pads, that are durable, and feature a thick layer of non-irritating conductive gel of which adheres nicely to your skin, but leaves no sticky residue with removal. Description: ---Massage Pads are Reusable ---Wipe clean with a damp cloth. ---2.0 mm to 2.5 mm thick. ---Measurements (not including tab) are: 3.54" (9 cm) length by 1.89" (4.8 cm) wide. Snap pin diameter on the Pad measures 3.5 mm. ---The tab is 1 cm (.4") in length. When removing pads, using the tab to remove will prolong the life of the massage pad. ---Set includes 16 Pads (8 sets). Each set is packaged in a resealable storage bag. Please Note: These high-quality pads fit the following machines and others that use pads with 3.