Description: 400 Series SS Internal-Tooth Lock Washer No. 6 Screw Size, 0.3" OD, 0.01"-0.03" Thick (98449A520) 400 Series SS Internal-Tooth Lock Washer No. 6 Screw Size, 0.3" OD, 0.01"-0.03" Thick, Packs of 100