The 4 Piece Interchangeable Probe Set is useful for cleaning, picking and marking small work surfaces. The 5” blades allow access in hard-to-reach areas and can be used during electrical or mechanical repair. The 700 series Versa-Grip handle features a locking screw chuck for effective holding and changing of the blades. The set also includes a convenient storage holster. • For positing wires and marking small surfaces. • Works well in hard-to-reach areas. • Includes 4 Blades: o Straight Probe o 35 Degree Bend o 90 Degree Bend o 180 Degree Hook Probe • Blades are approximately 5” in length • Heavy duty locking screw chuck holds blades firmly in place. • Exclusive Versa-Grip handle for comfort and control. • Includes storage holster.