D-Key

  I recently learned more than I wanted to know about an Allen wrench including the fact that just by making the wrench more like a key, the tool would generate forty-two percent more torque. D-Key is a new way of thinking about Allen wrenches that puts the tools on your keychain for convenience. The D-Key is only half the size of a long Allen wrench generating almost double the torque of a wrench of the same size. Torque on a typical Allen wrench is limited by the thickness and length of the wrench giving D-Key an advantage providing the user with 78% more surface area. Unlike a typical Allen wrench, [...]