I am looking at a manual sharpener what would you recommend?

Get yourself a Worksharp knife sharpener, either the orig one for $60, or the updated Ken Onion edition ($120), both are FANTASTIC. I’m TERRIBLE at sharpening anything, but this thing (I got the Ken Onion edition) has made it easy, quick and best of all, a “good knife sharpener” out of me! I don’t sell them, have no affiliation... I just like a good product when I get one, which is rare these days. Good luck.

How well does this hold a edge? Also after a couple sharpening does it still hold a edge like if it was new?

For those too young to remember great grandpa shaving with a straight razor, let me give you a quick education. RAZOR sharp knife means it will not hold an edge. The sharper the edge, the quicker it will dull. That's why great grandpa had a razor strop that he honed his beard cutting steel with every time he used it. A fine razor edge on a fillet knife is important, as is the knowledge that you must hone (not sharpen) the edge regularly to maintain it.

Can a lefty use this knife or is the blade made for right handers?

I am also a lefty. It works well. Really solid knife for larger fish.

What would be the best sharpening tool for this knife?

This is a large can of worms on this ask; I ask 10 folks, will get 10 answers. Since I was little, was taught to use an Arkansas stone, it's my comfort zone and haven't met a blade I couldn't hone yet. I've tried other methods, but for me, the stone is far superior. Technique and angle are critical no matter what your chosen poison for sharpening, practice, practice, practice.

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KastKing Speed Demon Pro Fillet Knife - Razor Sharp G4116 German Stainless-Steel Blade, Professional Level Knives for Filleting and Boning, Non-Slip Handles, Includes Protective Sheath

Product ID: 255182501

Details

Age range (description)
Kid
Brand
KastKing
Model name
Speed Demon
Recommended uses for product
Fishing and
Special features
Non Slip

🔪9" razor-sharp G4116 German steel

🖐️Non-slip super polymer grip

🛡️Durable protective sheath

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391.46 DT

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Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔪 Slice like a pro, grip like a boss — never miss the catch!

CONFIDENCE IN EVERY CUT - Backed by a peace-of-mind warranty, this professional-grade knife is the ultimate fishing companion.
ERGONOMIC NON SLIP GRIP - Super polymer handle ensures a secure, comfortable hold even in wet conditions—safety meets style.
PRECISION CUTTING POWER - Razor-sharp G4116 German stainless steel blade stays sharp longer for effortless filleting and bait prep.
TAILORED FOR EVERY CATCH - Available in 5", 6", 7", and 9" sizes with perfect flexibility or stiffness for bait cutting, filleting, and steaking.
SHEATH WITH SMART DRAINAGE - Lightweight, durable sheath locks securely and features drainage slots to keep blades dry and sharp.

The Speed Demon Pro Fillet Knife features a premium 9-inch G4116 German stainless-steel blade with razor-sharp precision and long-lasting edge retention. Its non-slip super polymer handle offers superior grip and comfort for professional-level filleting, bait prep, and steaking. Each knife comes with a lightweight, durable sheath designed for safety and blade protection with smart drainage. Perfectly engineered for fresh and saltwater fishing, this knife combines innovation, durability, and ergonomic design to elevate your fishing game.

Specifications

ASIN	B07C98K7D9
Age Range Description	Kid
Best Sellers Rank	#85,985 in Sporting Goods ( See Top 100 in Sporting Goods ) #15 in Fishing Knives
Blade Edge	Plain
Blade Length	9 Inches
Blade Material	Stainless Steel
Blade Shape	Drop Point
Blade Type	Pointed
Brand Name	KastKing
Color	D: 9'' fillet knife
Customer Package Type	Sheath Included
Customer Reviews	4.7 4.7 out of 5 stars (3,500)
Hand Orientation	Ambidextrous
Handle Material	Stainless Steel
Included Components	Sheath
Is Product Cordless	No
Item Length	22.86 Centimeters
Item Shape	Elongated, Blade-like with Trailing Point
Item Weight	5.99 Ounces
Manufacturer	Eposeidon
Model Name	Speed Demon Pro
Model Number	Speed Demon Pro
Orientation	Horizontal (when not in use), Vertical (when in use)
Part Number	Fishing Knives-2
Product Care Instructions	Hand Wash Only
Recommended Uses For Product	Fishing and Food Preparation
Reusability	Reusable
Set Name	KastKing Speed Demon Pro 9" Fillet Knife Set
Size	FK-9"
Special Features	Non Slip
Style	Modern
Theme	Fishing
Unit Count	1 Count

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