CHashaku茶杓 = Bamboo Tea Spoon. $12 (+ tax $1.56)  Two spoons of chashaku is average around 2g  of Matcha powder. 2g is ideal amount for nice cup of Matcha. (60-100ml of 80℃ water)
It's useful tool to have. This bamboo is from Nara Takayama , Japan.