Double action mechanism Easy Drilling Allows additional drilling work on existing raceways, M-bars, and runners (45/65). Can be drilled with a diameter of 10.5 in (40 x 30), a raceway DP2 (40 x 45), a M bar (W), a runner (45 x 65). No noise, dust or sparks
●ステンレス及びダクトには使用しないで下さい。