Classic design. Dependable everyday utility.

Designed by Spencer Marquardt, the QSP Jumping Jack blends the timeless appeal of a traditional slip joint with premium modern materials. Featuring a Sandvik 14C28N stainless steel blade, beautiful Desert Ironwood handle scales, and a compact, pocket-friendly profile, it’s built to handle everyday tasks like opening packages, trimming cord, preparing snacks, and tackling routine projects with precision and style. Lightweight and refined, it’s an everyday utility tool that feels equally at home in the office, on the trail, or wherever the day takes you.

Key Features

• Traditional slip joint design by Spencer Marquardt

• Premium Sandvik 14C28N stainless steel blade

• Satin blade finish

• Desert Ironwood handle scales

• Flat-ground blade for efficient everyday cutting

• Compact, pocket-friendly design

• Built for everyday utility, travel, and outdoor adventures

Specifications

• Overall Length: 6.50 in (165 mm)

• Closed Length: 3.75 in (95 mm)

• Blade Length: 2.75 in (70 mm)

• Blade Steel: Sandvik 14C28N Stainless Steel

• Blade Finish: Satin

• Blade Grind: Flat

• Handle Material: Desert Ironwood

• Lock Type: Slip Joint (Non-Locking)

Why We Carry It

At Siren EDC, we believe great tools stand the test of time. The QSP Jumping Jack combines classic slip joint styling with premium materials and thoughtful craftsmanship, creating a compact everyday utility tool that’s ready for commuting, travel, daily tasks, and outdoor adventures.