The Platinum Tools 10525 Professional Electrician's Scissors are designed for use in electrical, telephone and datacom service applications. The ergonomically designed large ring provides more power while reducing fatigue and wrist strain. Designed to comfortably fit in the power portion of the palm producing a cleaner, quicker cut with less effort. Bottom blade has serrated teeth the full length of the cutting edge to grip the cable/wire. Thru hardened (RC59).