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In 2018, Jeff Park—under the tutelage of Ken Onion—released his first production knife, the Crossbones everyday carry folder. It won Blade Show’s coveted Knife of the Year award. Now, it’s back and it’s big. Really big.
- IKBS™ ball bearing pivot system deploys the blade smooth and fast
- AUS 8 blade steel takes an edge well and is ideal for everyday carry
- 6061 aircraft grade aluminum handles are strong and lightweight
|Blade Length||4.845" (123.06 mm)|
|Blade Steel||AUS 8, 58-60 HRC|
|Blade Finish||Satin Finish|
|Blade Thickness||0.158" (4.01 mm)|
|Closed Length||6.125" (155.58 mm)|
|Style||Folding Knife w/Locking Liner|
|Overall Length||11" (279.4 mm)|
Just like its more compact counterpart, the Jumbones is modeled after the first custom release of designer Jeff Park from Mililani, Hawaii. Jeff has been Ken Onion’s right hand shop man for over ten years now, and, after much goading, finally released a custom design of his own. It was received so well by the industry, it’s making a second appearance.
Fully open, it measures in at a staggering 11”. The oversized blade contributes to 4.8” of the length, features a full flat grind, and is deployed swiftly and smoothly with an IKBS™ ball bearing pivot system. The brushed aluminum two-tone handle, when closed, resembles the shape of a dog bone and gives the Jumbones its name. It’s finished with jimping on the back spacer for in-hand control and a Crossbones logo on the pivot.
The knife world couldn’t get enough of the Crossbones, so we brought it back in a big way with the Jumbones.
One fateful day in 2005, he walked into Ken Onion’s shop in Kaneohe, Hawaii, and never left. Well, that’s not entirely true, but he’s certainly made an impact on the world-class knife maker and has learned a thing or two along the way. Jeff Park is a detail-oriented type of guy, and by that we mean he’s an absolute perfectionist, and it shows in his simple, yet flawless designs. He’s an artist in the most fundamental respect: form follows function, and his knives reflect a remarkable understanding of both.