Master Cutlery Martial Art Training Equipment Black. Training with these "Yamas" will strengthen your muscles and reflexes for when you need to use more advanced strikes and kicks. The training katana is handcrafted from high-grade stainless steel for a great workout and flexible for using with your bo staff or bo hyung so you can exercise safely. The training katana's nickel-plated joints (martial arts joints) provide great strength and durability for years of training. The katana is a double-sided training tool with one side double-joint and one single-joint. When used in conjunction with the bo staff or sword the training katana can be used for traditional striking combinations or used as an effective substitute for a katana. Specifications for Master Cutlery YC-305 Martial Arts Training Equipment: Manufacturer: Master Cutlery Blade Length: 3.25 in Blade Material: Stainless Steel Quantity: 1 Additional Features: Clip Package Contents: Master Cutlery YC-305 Martial Arts Training Equipment Master Cutlery YC-306RB: Martial Art Training Equipment Black