Individual Hex T-Keys -- Inch Sizes        
Hex 15 inch 12 inch 9 inch 6 inch 9 inch 6 inch 3 inch  
Size Cushion Grip Cushion Grip Cushion Grip Cushion Grip Standard Grip Standard Grip Standard Grip  
(inches) Series Series Series Series Series Series Series  
  5/64 51505 51205 51905 51605 31905 31605 31305  
  3/32 51506 51206 51906 51606 31906 31606 31306  
  7/64 51507 51207 51907 51607 31907 31607 31307  
  1/8 51508 51208 51908 51608 31908 31608 31308  
  9/64 51509 51209 51909 51609 31909 31609 31309  
  5/32 51510 51210 51910 51610 31910 31610 31310  
  3/16 51512 51212 51912 51612 31912 31612 31312  
  7/32 51514 51214 51914 51614 31914 31614 31314  
  1/4 51516 51216 51916 51616 31916 31616 31316  
  5/16 51520 51220 51920 51620 31920 31620 31320  
  3/8 51524 51224 51924 51624 31924 31624 31324  
  7/16 51928 51628  
  1/2 51532 51232 51932 51632  
Individual Hex T-Keys -- Metric Sizes      
Hex 15 inch 12 inch 9 inch 6 inch 9 inch 6 inch  
Size Cushion Grip Cushion Grip Cushion Grip Cushion Grip Standard Grip Standard Grip  
(MM) Series Series Series Series Series Series  
2 54520 54220 54920 54620 34920 34620
2.5 54525 54225 54925 54625 34925 34625
3 54530 54230 54930 54630 34930 34630
4 54540 54240 54940 54640 34940 34640
5 54550 54250 54950 54650 34950 34650
6 54560 54260 54960 54660 34960 34660
8 54580 54280 54980 54680 34980 34680
10 54590 54290 54990 54690 34990 34690
11 54991 54691
12 54592 54292 54992 54692