Fluke l28a automotive test lead set fluke fluke tl28a large jaws long leads and a piercing probe solid spring loaded copper clips with a wide 12 7mm jaw opening and serrated teeth large piercing needle for penetrating larger gauge wires 1 5m silicone insulated leads useable from 80 deg c to 150 deg c 112 deg f to 302 deg f rated for 30 v 10 a one red one black fluke tl28a automotive test lead set