Replacment Blades: 13 pcs 1000V CRV Insulated Electrician Screwdriver Set includes 11pcs Magnetic Interchangeable Blades: 4 Slotted; 2 Phillips; 2 Pozidriv; 3 Torx. 1 Electroprobe & 1 removable handle.

Certificate: VDE and GS certified guarantee safe working standards of 1000 Volts

Hardening Magentic Tips: 1000V Insulated Screwdriver Set with Magnetic Phillips Slotted Pozidriv Torx tips. Hardening treatment and Manganese phosphate surface treatment on screwdriver tips

Premium Material: this insulated electrical tools set made by durable Chrome vanadium steel

Professional Use: Can be used for professional work and home DIY. Insulated material makes it safe for users to use.