Japanese Hand made Hand kneading Drills By Arai - Four-sided Cone

Smith name: Arai Yukio (新井行雄)

Visible metal length: 70mm

Full length: 310mm

Weight: 21g

Type: Four-sided Cone

Additional Information: Unused, in good condition. Found it in a professional tool shop. 

"Four-sided cone: It is used when drilling wooden nail holes or bamboo nail holes." - Introduction from the Takenaka Carpenter's Tool Museum