Pick holder can call as Shearer pick seat,bullet teeth block.Pick sleeve can call as pick shell also, both of them are the spare parts used together with cutting picks install on machine. Zhuzhou Xinda Machinery Technology Co Ltd produced pick holder&sleeves in high quality. We not only have these holder and sleeves.Our product range such as mining picks, roadheader picks, foundation drilling picks,road milling picks, trenching picks, pick holder and sleeves and etc used for construction,mining&rock drilling.You can see the following model, and if the model of cutter pick is not showing in following, please feel free to contact us.