Milwaukee BOLT 24dB Earmuffs are designed to provide adjustable and comfortable wear for extended use. Featuring a center-mount design, these cap-mounted earmuffs an adjustable fit that can be easily customized. The 360-degree rotational arm allows for balanced wear and multiple storage positions when not in use. Equipped with pressure-reducing cushions, they help prevent discomfort during long periods of use. These earmuffs have a Noise Reduction Rating (NRR) of 24dB and are CSA Class A , ensuring reliable protection against hazardous noise. Part of the BOLT™ System, they allow users to secure accessories simultaneously and are for use with MILWAUKEE® Safety Helmets and Hard Hats. Model Number: 48-73-3250