Shanks

1/4" SHK Arbor for Screw-On (5/16-24 thrd) 1-3/4 OAL

Arbor 1/2"SD 5/16-24 Thread 3-1/4" OAL

1/2" SD Arbor for 1/4-28 thread bit OAL 1 3/4"

Shank for 5/16-24 Mortise Bit; 1-3/4 OAL

1/4" Shank Arbor for Screw-On (1/4-28 thrd)-1-3/4 OAL

1/2"SH x 2-5/8 OAL Arbor for Screw-On (1/4-28 thrd)