Spyderco Forums

Sorry if this has been covered but I have a Hapstone fixed angle sharpener. Can anyone point me in a direction where I can get an abrasive and adapter that will be able to sharpen K390 serrated blades?

Can they be sharpened with equipement like this with clamp and rod?

How about this Renegade? I think it had now desired serrations in 90's.

Yep it scream 90's

A match made in heaven.



Very impressed with the lil Chap.
Possibly the sharpest blade I've ever had out of the box. Love how the last bit of the tip is perfectly flat and makes full contact when you lie it on a surface. It's like a micro wharncliffe blade.

I filed down this wave thing that was designed to fit the PM2, now it works perfectly for the P4.
Looks pretty cool as well.

vnvman wrote: ↑

Fri Dec 12, 2025 9:58 am

I filed down this wave thing that was designed to fit the PM2, now it works perfectly for the P4.
Looks pretty cool as well.

Looks like it's wearing snow goggles.

BeggarSo wrote: ↑

Fri Dec 12, 2025 5:37 pm

vnvman wrote: ↑

Fri Dec 12, 2025 9:58 am

I filed down this wave thing that was designed to fit the PM2, now it works perfectly for the P4.
Looks pretty cool as well.

Looks like it's wearing snow goggles.

You could say that lol.
Basically it's a Chinese knockoff of the Wise Men Fang.
They only make it for very few models so I had to figure it out myself. 5x5 is another good one but then again, same story. But for a handful of bucks and a little filing I can't complain. Definitely does the job.

Spider 1 hornet 0.