QSP Knife Penguin Folding Knife 4in Closed 3in Satin 14C28N Sandvik SS Blade Green G10 Handle. Lanyard hole. Specifications for QSP Knife Penguin 3in Folding Knife: Manufacturer: QSP Knife Blade Length: 3 in Closed Length: 4 in Blade Material: Sandvik 14C28N Stainless Steel Serrated: Plain Knife Application: Folding Blade Handle Material: G10 Blade Finish: Satin Sheath Material: No Sheath Package Contents: QSP Knife Penguin 3in Folding Knife QSP Knife QS130SJD: Penguin Folding Knife 4in Closed 3in Satin 14C28N Sandvik SS Blade Green G10 Handle