The CIVIVI Ryson-E C25097-DS1, designed by Sam Tran, is a folding knife with a 3.32" (84.3 mm) Damascus harpoon blade with a hollow grind and a black canvas Micarta handle.

It opens with a thumb stud, runs on a caged ceramic ball bearing pivot and locks open with a liner lock. A tip-up pocket clip that can be set for left- or right-hand carry keeps it ready for everyday carry, and it weighs 87.4 g (3.08 oz).

• 3.32" (84.3 mm) Damascus harpoon blade, hollow grind, 58-60HRC core hardness
• Black canvas Micarta handle and back spacer
• Thumb stud opening
• Caged ceramic ball bearing pivot
• Liner lock
• Tip-up pocket clip, left or right carry
• Designed by Sam Tran

• Brand: CIVIVI
• Model: Ryson-E
• Model Number: C25097-DS1
• Overall Length: 194.3 mm (7.65")
• Width: 27.9 mm (1.1")
• Overall Height (with clip): 16.4 mm (0.65")
• Blade Length: 84.3 mm (3.32")
• Closed Length: 110 mm (4.33")
• Blade Thickness: 3 mm (0.12")
• Handle Thickness: 12 mm (0.47")
• Knife Weight: 87.4 g (3.08 oz)
• Blade Material: Damascus
• Core Hardness: 58-60HRC
• Blade Grind: Hollow
• Blade Type: Harpoon
• Handle Material: Canvas Micarta
• Handle Colour / Finish: Black
• Back Spacer: Canvas Micarta, Black
• Liner: Stainless Steel, Black
• Pocket Clip: Tip-up, left or right carry
• Clip Material: Stainless Steel
• Screws / Hardware: Stainless Steel (screws and thumb stud)
• Pivot Assembly: Caged Ceramic Ball Bearing
• Locking Mechanism: Liner Lock
• Designer: Sam Tran