Large Block Ball Gage(大球规). Block (where ball is mounted) is 2 3/8"L x 1 1/8"W x 1"H Holds 5/8", 3/4" or 1" steel balls mounted on 1/4" x 40 thread 1/2" stainless steel rod x 12"L (maybe extended up to 3 feet) (球径:5/8” ,3/4”,1”) Medium Block Ball Gage(中球规) Block (where ball is mounted) size is 1 1/2"L x 1 1/8w x 1"H Holds 1/4", 3/8" or 1/2" carbide balls mounted on 1/4" x 40 thread 1/2" stainless steel rod x 12"L (maybe extended to 3 feet) (中球规,球径:1/4”,3/8”,1/2”) Small Block Ball Gage(小球规) Block (where ball is mounted) size is 3/4"L x 3/4"W x 3/4"H Holds 1/16", 1/8" or 3/16" carbide balls mounted on 8/32 thread 5/16" rod diameter, 12" length (小球规,球径:1/16", 1/8" or 3/16") 进口卡梅隆石油R槽,BX槽球规,带表球规 美国cameron ball gage,美国卡梅隆球规,美国卡梅伦球规;代表BX槽量规,R槽量规,0.1875inch/0.25inch/0.375inch/0.875inch/1 inch......可以非标定制;密封圈槽,密封圈槽量仪,球规,进口球规,美国进口球规,API**球规,美国石油行业**球规;报价、美国报价、报价表,报价2015 苏州斯文克,美国卡梅隆球规,cameron ball gage球规,美国进口球规,报价