Core: 93x45x25 M4 1350T 0.4mm Copper wire grade 2 Class F Primary winding Wound off core and sleeved PVC Insulation to withstand 4kV 10 seconds 151 turns 1.12mm Copper wire grade 2 Class F wound off core and sleeved PVC Insulation 1 layer Mylar half lapped Company Name: Coil Tech UK Ltd Street Address: Unit D Liddington Park City: Cheltenham Province/State: Glos Country/Region: United Kingdom Zip: GL53 0DL Telephone: 44-1242-574895 Fax: 44-1242-239084