Attributes . Keystone Round Bar: 3/8 in x 10 in, Keystone Square Bar: 1/4 in x 4 in, 3/16 in x 4 in, 3/8 in x 8 in, 5/16 in x 6 in, Phillips Round Bar: #1 x 3 in, #2 x 4 in, Screw Starter Double End: 6-1/4 in . Names