"JIZAI" in Japanese means "Being at Will"
We choosed this word in reference to its features.

In Tochigi Prefecture, Japan, where MANI is located, craftsmen of woodworking art of Kanuma Kumiko carried on tradition over 400 years are still brushing up their techniques and products to meet the needs of contemporary life.
We respect their craftsmanship and have incorporated it into the main image of JIZAI."
We respect their craftsmanship and have incorporated the exquisite and beautiful structure of Kanuma Kumiko into the JIZAI brand image.

SIMPLE

Procedural based sequencing

JIZAI is designed to be used in a single length technique along with sequence numbers.
Tip size, taper and sequence number are etched on the shank for easy recognition.

FLEXIBLE

Respect for the original anatomy

As a result of the heat treatment that each JIZAI file undergoes there is a significantly lower risk of ledge, transportation and perforation.
Centering ability test shows high centering ability as shown in the chart below.