1/8" 25mm bolt covers

These are bolt covers for 1/8" 25mm bolts. I used these for the 3D printer box I've made.

More details here: http://www.igorkromin.net/index.php/2013/05/26/a-clear-acrylic-box-for-the-portabee-3d-printer-part-1-making-the-box/