Type: Iron Bottom Bracket,not aluminum, base ONLY weights around 4.2lb
Min- Max Clamp : 38-43mm
Main Rod : 25*400mm,Size : 400*155*155mm
Trip: 60mm (50mm is most suitable for long time work)
0°- 90°rotable to drill slant hole. Copper plug readjustment to confirm the precison and durable. Precise graduation:transparent pointer,spacing fuctuion . Package includes:: 1x Drill Bracket
Note: The jaws specifications 38-43mm, comes with adapter sleeve can take about 38-43mm. Please amount under before making your drill size. If the drill can be slightly smaller,you could cut yourself some piece of cardboard or rubber mat, if your drill size larger than the jaws (more than 43mm), then do not buy it.