552-1001 1/4x2-1/2" 5/32" round toolbits 45deg. 552-1002 5/16x2-1/2" 3/16" round toolbits 45deg. 552-1003 3/8x3" 3/16 round toolbits 45deg. 552-1004 1/2x3" 3/16 square toolbits 45deg. 552-1005 9/16x4-1/2" 3/16 square toolbits 45deg. 552-1006 5/8x5" 1/4 square toolbits 45deg. 552-1007 3/4x6" 1/4 square toolbits 45deg. 552-1008 1"x6" 5/16 square toolbits 45deg. 552-1009 1"x6" 3/8 square toolbits 45deg. 552-1010 1-1/8x7" 7/16 square toolbits 45deg. 552-1011 1-1/4x8" 1/2 square toolbits 45deg. 552-1012 1-1/2x9" 1/2 square toolbits 45deg. 552-1013 4pcs set (1/4,3/8,1/2,5/8" )45 deg. 552-1014 1/4x2-1/2" 5/32" round toolbits 90deg. 552-1015 5/16x2-1/2" 3/16" round toolbits 90deg.