Stanley magnetic bit holder 1 4 hex bits box of 5 stanley 1 68 732 the stanley 368732b is a pack of 5 x 60mm long magnetic bit holders with a 1 4 inch hex spindle which will fit most chucks li these stanley holders are precision machined and the magnetic recess holds 1 4 inch insert bits securely when in use li sold singularly or as a box of 5 bits li length 60mm stanley 1 68 732 magnetic bit holder 1 4 hex bits box of 5