Attributes . Keystone Round Bar: 1/4 in x 1-1/2 in, Keystone Square Bar: 1/4 in x 4 in, 3/16 in x 4 in, 3/8 in x 8 in, 3/8 in x 12 in, 5/16 in x 6 in, Cabinet Round Bar Precision: 1/8 in x 3 in, 1/8 in x 4 in, 1/8 in x 8 in, Cabinet Round Bar: 3/16 in x 4 in, 3/16 in x 8 in, Phillips Round Bar Precision: #0 x 3 in, Phillips Round Bar: #1 x 3 in, #1 x 8 in, #2 x 1-1/2 in, #2 x 4 in, #2 x 8 in, #3 x 6 in, #4 x 8 in, Screw Starter Phillips: 5-3/4 in, Screw Starter Slotted: 5-5/8 in . Names