►日本高彈性鋼材質#420J2
►光面處理
►刻度處理：蝕刻
►測量內外角任何角度,操作簡便
►Material : #420J2 stainless steel
►Surface treatment : polish finished
►Process of scale : one side for acid etched
►Any available for internal and external angle for measure and easy operation.
►Measuring Range : 0-360 degree,The rod can be fixed by a lock nut.Supplied in 2 length of the shank for 20"/20".