Designed for AccuRelief Single and Dual Channel TENS Devices - ACRL-2001 and ACRL-3001.Snap electrodes make it easier to attach and detach from the lead wire connectionEach padﾠcan be reused up to 30 timesIncludes electrode placement guideLargeﾠPack Includes:ﾠ8 sets of 2 reusable electrode pads and 2 lead wires