You may have seen the same model on TV, completely hand made in
limited numbers crafted to the highest quality, fit and finish.
The design criteria was for a practical and dependable custom
made survival knife with a 4"/100mm blade remaining light
and slim enough to be carried unobtrusively on the belt or tucked
into a cargo or rucksack pocket, compact but capable. The design
has been proven and tested to good effect over many seasons in
some of the world's most inhospitable environments.
"NB. My apologies but the S4 model is no longer available
or branded as the Signature Bear Grylls Knife in any way."
The S4 Survival series knife - Technical specifications:
(All sizes are approximate)