The Camloc 26S8-5 Stud is a phillips recess, fillister head fastener stud from the Calmoc 2600 series. Has a length of .880" and a total grip thickness of .150"-.179". These light-duty Camloc studs are rated for 200 pounds working strength (ultimate tensile strength 300 pounds). Made from steel with zinc plating.
This is nearly identical to my first pilot logbook, but with a new smooth matte black cover. This logbook checks all the boxes from student pilot through Commercial. It might just be the only logbook you’ll ever need. Fly safe!