DELMAR REYNOLDS 5-LEAD HOLTER PATIENT CABLE. Safety DIN. Compatible with DelMar Reynolds 425, 445, 445B, 446, 447, 448, 449, 449B, 452, 453, 453A, 454A, DMS 419 (2 channel). Lead wire set sold separately. Uses #20900-24-5A Safety lead wire set (.060) socket to snap, white, green, brown, red, black.