Designed by Spencer Marquardt, the QSP Jumping Jack blends traditional pocket-knife styling with modern blade steel. Its 2.75-inch blade is made from 14C28N stainless steel, satin finished and flat ground for versatile everyday cutting performance. A hardness rating of 59–61 HRC provides a practical balance of edge retention and ease of maintenance. The blue bone handle gives the Jumping Jack its distinctive character, while the slip-joint construction offers simple, non-locking operation. Bronze washers support smooth blade movement at the pivot. Measuring 6.25 inches overall and weighing approximately 93g, this compact pocket knife is supplied without a clip in a QSP gift box.
Images are for illustrative purposes only
- SANDVIK 14C28N BLADE – The 2.75-inch satin-finished blade combines dependable edge retention and corrosion resistance with a practical flat grind.
- TRADITIONAL SLIP-JOINT DESIGN – A non-locking slip-joint mechanism provides straightforward operation in a classic pocket-knife format.
- BLUE BONE HANDLE – The blue bone scales bring distinctive traditional character to Spencer Marquardt’s compact design.
- BRONZE WASHER PIVOT – Bronze washers support smooth, consistent blade movement without adding unnecessary complexity.
- COMPACT PROPORTIONS – Measures 6.25 inches overall and weighs approximately 93g, with no pocket clip; supplied in a QSP gift box.
£82.99
- We are UK based and this product ships from the UK
- +£4.95 Delivery.
(UK Mainland, see shipping rates for full details).
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