Professional quality Tested to 10,000 V and insulated to 1000 V AC and 1500 V DC for live line working Manufactured from special tool steel, oil hardened and tempered Smoothly ground chrome plated heads with cutting edges separately induction hardened to 60 HRC Heavy two colour insulated handles Professional quality Tested to 10,000 V and insulated to 1000 V AC and 1500 V DC for live line working Manufactured from special tool steel, oil hardened and tempered Smoothly ground chrome plated heads with cutting edges separately induction hardened to 60 HRC Heavy two colour insulated handles, Weight: 0.7054792384 Pounds, Manufacturer: Draper