Standard "Swingblade" type knives are not to everyones liking due to the wide blade not being ideal for "coring-out" procedures, so maybe the "FishBlade" option may be of interest:
EKA FishBlade Knife @ £47.50 Delivered
The FishBlade is a combo knife with a narrow filletingblade & gut opener combined.
- Sandvik 12c27 steel blade.
- Blade can be simply changed over by pressing the locking button then reversing the side of the blade until either the filleting or gut opener blade snaps into place.
- High-Vis orange rubberized Kraton handle.
- Comes with sturdy plastic sheath (Black leather option available on request).
- (Diannova Diamond Flex sharpener is available at additional cost which is a very effective means of sharpening the concave Zip Blade)
Further details can be found at http://www.monarchcountryproducts.co...product_id=217
Just pm with any interest.