Varied combination tool kits for making Shakuhachi and bamboo flute

They are essential Varied combination tool kits for making Shakuhachi and bamboo flute, after straightening the bamboo, the essential step must be 1)hole drilling)adjust hole and mouthpiece shape3) Removing inner bamboo knots and polishing fine.(1 inch=2.54cm=25.4mm.)

A: High-speed steel double-edged special hole repairing and tuning knife,
Specifications: 200mm long, 8mm wide, 2mm thick.
B: The Dia. of the drill bit 1.4cm+1 Metal connecting rod( The default length is 60cm).
C:100cm metal rod with big（The default) or small teeth, send me a message when you make an order, teeth Dia.1.4cm.
D: Special Dia.8.0mm drilling bit(right turn).
The combination tool kits are sorted as below:
kit A=A+B+C+D(one of each).
kit B=A+B+C(one of each).
kit C=A+C+D(one of each).
Please choose the toolkits you need and order the amounts.
Mixed Order is ok, just send me a message for detail requests.
Processing Time: 5-7days. Transportation is free, with 2-3 weeks delivery time postal air freight for packages under 20 kg, door-to-door service with a tracking number.