Standard Socket Sizes

			 
			    1/4" DRIVE   1/2" DRIVE
 SCREW       WRENCH         MAX O.D. OF  MAX O.D. OF
 SIZE         SIZE            SOCKET       SOCKET
-------------------------------------------------------------
  	    1/8  (.1250) _____ .2344 _____
   0  _____ 5/32 (.1562) _____ .2810 _____
   2  _____ 3/16 (.1875) _____ .3150 _____
      _____ 7/32 (.2188) _____ .3560 _____
   4  _____ 1/4  (.2500) _____ .3970 _____
      _____ 9/32 (.2812) _____ .4380 _____
   6  _____ 5/16 (.3125) _____ .5100 _____
   8  _____ 11/32(.3438) _____ .5190 _____
  10  _____ 3/8  (.3750) _____ .5800 _____ .586
  1/4 _____ 7/16 (.4375) _____ .6830 _____ .720
 5/16 _____ 1/2  (.5000) _____ .6970 _____ .757
  3/8 _____ 9/16 (.5625) _____ .7812 _____ .820
      _____ 5/8  (.6250) _____       _____ .892
 7/16 _____ 11/16(.6875) _____       _____ .974
 1/2  _____ 3/4  (.7500) _____       _____ 1.067
      _____ 13/16(.8125) _____       _____ 1.130
      _____ 7/8  (.8750) _____       _____ 1.218
 5/8  _____ 15/16(.9375) _____       _____ 1.300
      _____ 1    (1.000) _____       _____ 1.375
      _____ 1 1/16(1.062)_____       _____ 1.480
 3/4  _____ 1 1/8(1.125) _____       _____ 1.540
      _____ 1 3/16(1.188)_____       _____ 1.675
      _____ 1 1/4(1.250) _____       _____ 1.750
 7/8  _____ 1 5/16(1.312)_____       _____
 1    _____ 1 1/2(1.500) _____       _____