Clevises Part# A B C D E Fits 3 Series Thread Size UNF-2B Inch (mm) Inch (mm) Inch (mm) Inch (mm) 1032316CK 10-32 3/16" (4.80) 7/32" (5.60) 1" (25.40) 1-9/16" (39.70) 103214CK 10-32 1/4" (6.40) 9/32" (7.10) 1-1/4" (31.80) 2" (50.80)  1032516CK 10-32 5/16" (7.90)  11/32" (8.70)  1-7/16" (36.50) 2-1/4" (57.20)   Fits 4 Series            1414CK  1/4-28  1/4" (6.40) 9/32" (7.10)   1-1/4" (31.80) 2" (50.8)  14516CK  1/4-28 5/16" (7.90)   11/32" (8.70)  1-7/16" (36.50)  2-1/4" (57.20)  1438CK  1/4-28  3/8" (9.50) 7/16" (11.10)  1-5/8" (41.30)   2-1/2" (63.50)  1412CK 1/4-28   1/2" (12.70) 9/16" (14.30) 1-7/8" (47.60)  3" (76.20) Fits 6 Series             516516CK  5/16-24  5/16" (7.90) 11/32" (8.70)  1-7/16" (36.50)  2-1/4" (57.20)  51638CK   5/16-24  3/8" (9.50)  7/16" (11.10)  1-5/8" (41.30) 2-1/2" (63.50)  51612CK  5/16-24  1/2" (12.70) 9/16" (14.30)  1-7/8" (47.60)  3" (76.20)   Fits 8 Series          3838CK 3/8-24  3/8" (9.50) 7/16" (11.10)   1-5/8" (41.30) 2-1/2" (63.50)  3812CK  3/8-24  1/2" (12.70)  9/16" (14.30) 1-7/8" (47.60)  3" (76.20)  Misc             1212CK  1/2-20  1/2" (12.70)  1/2" (12.70)  1-7/8" (47.60) 3" (76.20)