This is a set of 2 oversized tensive pads - 2.5" x 7".They're good quality pads, but very pricey. The current asking price is $15 for 2 pads, while I'm more accustomed to paying $1 each for pads. These are, however, slightly better quality than the more common black pads that you see.Each pad has 4 leads.If using at home / personal use, you can reuse these a few times if you're careful. You can also use tensive gel adhesive (inexpensive, about $6 per tube) to reuse them indefinitely. Just be awaSee full review