[Purpose] It can project a series of circular patterns that indicate the alignment or misalignment of the drill bit relative to the work . When the pattern is concentric, the drill bit is straight (and perpendicular) to the work [Easy to Use] This straight hole drilling light positioner is suitable for any orientation, so it can be easily used on walls, floors, ceilings, or wood panels at any angle [Widely Uses] It does not require contacting with the work you are drilling into, so it not scratch or damage it during normal use. It is a woodworking tool used for drilling holes, suitable for most electric drills and drill chucks Description: This drill hole position light locator is a woodworking tool to help drill holes. It needs no contacting with the work you are drilling into and suitable for use in any orientation. It can be used for walls, floors, ceilings, or wood panels. Suitable for Any Orientation: This drill hole position light locator is suitable for use in any orientation. It not block your view when drilling holes. Woodworking Tool: This straight hole drilling light positioner is a good woodworking tool and fits most electric drills and drill chucks. It not damage your work . Colour:green Material:ABS Package Contents: 2 x Drill Hole Position Light Locator Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.