Features:  High quality alloy blade, no need to polish.   Aviation aluminum alloy handle for comfortable grip. High strength and light weight, provides stable handling.  High hardness, wear resistance, very durable in use.  The blade can be replaced with a special wrench. If the blade is blunt, it can be rotated for the other side for use, no need to grind.  Suitable for ordinary lathe and CNC lathe.  Ideal for metal working lathe, turning, cutting, threading.  Small Curved Knife: slight curved neck for cleaning out the intermediate area in all your hollow forms.  Large Curved Knife: make hollowing through the curve up to the lip of the opening an easy work.     Specifications:  Material: Aluminum Alloy  Length of Arbor: 200mm/7.87''  Length of Handle: 300mm/11.8''  Color: Black + Silver  Type: Hollowing  Style A: Small Curved  Style B: Large Curved     Package Include:   1Pc x Hollowing Turning Tool  1Pc x Carbide Insert  1Pc x Wrench