Sorry here is the correct one

5” 有评论说太轻不好操作
http://www.amazon.com/dp/B000UEYXL8/ref=wl_it_dp_o_pC_nS_img?_encoding=UTF8&colid=3IICCIYA18DPT&coliid=I3LNY2FJDYI9OU
7" 没说那个棒有多长

http://www.amazon.com/dp/B004ILV9Y8/ref=wl_it_dp_o_pC_nS_img?_encoding=UTF8&colid=3IICCIYA18DPT&coliid=I3TH19OG7P596R

所有跟帖： 

• 有标注：Pestle measures 10 inches long。大约25厘米，勉强够用 -uptrend- ♂ (0 bytes) () 10/12/2014 postreply 17:25:25

• 用完后需要用刷子扫除碎屑，用水洗干净，晾干，否则长霉就只能扔了。还有，用之前不清洗，沾了水磨不好。 -uptrend- ♂ (0 bytes) () 10/12/2014 postreply 17:29:25

• Thanks for the details -筷乐煮妇- ♀ (0 bytes) () 10/12/2014 postreply 19:48:57