Pen and Tool Box
The Construction Pen is a multitasking product, the ballpoint pen by Troika combines planning guide and toolbox in one. The Construction Pen has plenty of things to offer; inside as well as on the outside.
The ballpoint pen made of lacquered brass looks like a normal pen with black refill (D1) from the outside. But Inside, a centimetric and inch ruler with a 1:20 m and 1:50 m scale, a spirit level, a slotted and Phillips screwdriver and a stylus are hidden.