The price is for a sets.

High thermal conductivity (think of it as a composite material containing silicon nitride or boron nitride) insulation sheet exclusively for THF51S and 2SK182. 

DENKA, Original Made in Japan

If you purchase at the same time as THF51S and 2SK182, you can get free shipping for this item. Please contact us.

 Please understand in advance that the cheapest shipping method does not have a tracking number(Economy Shipping),  will takes very long time time and we cannot guarantee the arrival.

 If you need a tracking number, please chose another delivery method (Standard Shipping).