Upgrade the top, middle, and bottom three bearing drill sleeves. The higher the total height of the drill sleeve reaches 2CM, the smaller the swing of the drill bit and the more accurate the drilling is
The auxiliary function of deep positioning and no wear linkage is achieved, so the top bearing cannot be fixed with a snap ring
Press and hold the level dual fixture key firmly, and the thickness of the clamping plate surface can be 15-25mm
When tools are in use or idle, lubricating oil should be added to the bearings to reduce tool wear and prevent rust
Material: aluminum alloy
colour: As shown
Package Contents:
1 set 35mm hinge opener
