RECKON brand wirewound resistors are wound with best quality Ni/Cr or Ni/Cr alloy resistance wire having very low temp. co-efficient on highly alumina based porcelain pipes/rods and wire is protected with high temp. resistance compound. Resistance:680 Ohm,Power Rating: 10 Watts (10W),Approximate Maximum Current: 121mA,Pitch: 1.5 inch,Brand: Reckon