Designed by Spencer Marquardt, the QSP Jumping Jack is a compact slip-joint pocket knife that combines traditional operation with carefully selected modern materials. Its 2.75-inch blade is made from 14C28N stainless steel, heat-treated to 59–61 HRC and finished with a satin surface. A flat grind provides practical cutting performance for everyday tasks. The Desert Ironwood handle gives the Jumping Jack a warm, natural appearance, while bronze washers support smooth blade movement. Measuring 3.50 inches closed and weighing approximately 90 g, it offers balanced, compact proportions. The knife has no pocket clip and is presented in a QSP gift box.
Images are for illustrative purposes only
- 14C28N stainless-steel blade with a satin finish, flat grind and 59–61 HRC hardness for dependable cutting performance and edge retention.
- Traditional slip-joint mechanism provides straightforward non-locking operation, with bronze washers supporting smooth blade movement.
- Desert Ironwood handle combines natural character with a comfortable, classic pocket-knife format.
- Compact 2.75-inch blade and 3.50-inch closed length, with an overall length of 6.25 inches and an approximate weight of 90 g.
- Designed by Spencer Marquardt and supplied without a pocket clip in a QSP gift box.
£85.99
- 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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