SummaryScale: 1:1 in Inches Update: If you are having problems with the one piece design Get: 07 slim blade rev 3 Front - Print 1 07 slim blade rev 3 Back - Print 1 07 slim blade rev 3 Pin - Print 2 I want a Rexford Knives RUT (Rexford Utility Tool) but I am unwilling to spend $150 on one. I looked at it and boiled it down to the features I want. Which are: 1) Hold and lock a Utility blade in a safe way 2) Small 3) A hole for a length of paracord 4) Easy to use I went through 3 revisions: Rev 1 Too thin, hard to get the blade out Rev 2 Good thickness but the blade is hard to get out and the lock doesn't always work well Rev 3 Good thickness, blade stays in, bigger window for easier access to the bladeHow I Designed This3 Revisions. I went through 3 revisions: Rev 1 Too thin, hard to get the blade out Rev 2 Good thickness but the blade is hard to get out and the lock doesn't always work well Rev 3 Good thickness, blade stays in, bigger window for easier access to the blade