When used in conjunction with the pre-installed washers supplied on our screws, these black nylon shoulder washers will electrically isolate the equipment from the rackrails to help prevent ground loops. 100 piece count. NOTE: not for use with HPQ, HP-6MM and HP-24 screws
Electrically isolate installed equipment from rackrails Electrical isolation helps prevent ground loops Note: not for use with HPQ, HP-6mm or HP-24 screws Comes in a pack of 100 pieces