Clamping Range:(original) 44mm,( After Adjusted) From 27.5mm To 43.6mm, There Are 5 Adapter Sleeves That Easy To Fix The Electric Drill Or Grinder.
Copper Plug Readjustment To Confirm The Precision And Durable. Precise Graduation, Transparent Pointer, Spacing Function.
Cast Iron Bottom Bracket,not Aluminum.and It Is 4 Clamping Points – To Securely Hold Work Piece
Working Stroke: 60mm, Down Stroke: 60 Mm
0~90 Degree Rotable To Drill Slant Hole.
