Lightweight Finger StrengthTool for Beginner Training YF-675(Red)

Specification:
Overall Length: 9.06 in / 23 cmv Colour: Red, Orange, Black for choice
Blade (Dull) Length about: 3.74in / 9.5 cm
Blade thickness: about 3.5mm
Blade Material: 440C
Bearing connection,more smooth
Handle material: G10 material.
Handle Type: Sandwich
Weight: about 125gram

Package included:
1 x Practice stick
1 x nylon bag