In 2015, a company called Cerwin Tools invented the BullseyeBore, a laser-equipped gizmo that attaches to hand drills. By projecting concentric circles around your hole, the device was meant to help the user drill holes perfectly perpendicular to the workpiece.

2015 version

2015 version

The device never got off the ground. But the anonymous inventor kept at it, and has now refined the design into something they reckon is market-ready. The redesigned BullseyeBore is now a little coffin-shaped widget that attaches magnetically to the flat front face of a drill's chuck. It projects multiple laser beams that appear as circles as the drill spins. And because of the device's propellor-like form factor, it does not obscure your vision; you can see the drill's contact point through the spinning device.

The company says it will fit a variety of common drills and bit types.

The device, which is due to be launched on Kickstarter later this month, will be offered in four variants: A version for bits up to 5" and another version for up to 8" bits, with either a red laser or a green laser. The red laser units use less battery life, whereas the green laser is easier to see in bright conditions.

At press time prices had not been announced.

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