the general tools and instruments 707862 interchangeable probe set stainless steel 4 piece 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. general tools - the precise tool for doing the job exactly right. offering over 1 000 tools were proud to provide tradesmen craftsmen and diyers around the world with a broad range of affordable specific-purpose mechanical hand tools and precision measuring and inspection tools. for inquiries please contact our customer service department at 212-431-6100. we strive to provide our customers with 100% satisfaction. work smarter measure better & be more productive with general tools SKU:ADIB000KI8P7C