The Maniago Shark 9 Knive is a great cheap all round dive knive.
The blade is made using W 1.4028 stainless steel.
Hardness is 54-55HRC.
Thickness: 2.9 mm - 0.11".
Knife Length: 17.5 cm - 6.88".
Blade Length: 8 cm - 3.14".
Knife Weight: 56 gr. - 1.98 oz.