The X1B is a lightweight, low-profile earmuff designed for protection against low-level industrial noise and other loud sounds.? – The wire headband offers consistent pressure over prolonged wearing periods?- Earcup pivot points tilt for optimum comfort and efficiency?- Replaceable ear cushions and foam liners (hygiene kit HYX1)?- Noise Reduction Rating (NRR)b 22 dB. CSA Class A

3M 19076, E-A-R Classic Probed Test Plugs 393-2003-50, 50 EA/Case, 7000052882
Standard Abrasives 827600, Buff and Blend GP Power Pad, 6 in x 9 in, A VFN, 7010330610, 50 ea/Case
Air Turbine Tools 310RSV - 1/4" Router Hand Tool Series, 30,000RPM, 33430
3M™ 53797, Flexible Diamond Belt 6451J, 1/2" Dia x 18" L, M125 Micron, Type G, Pattern B2, 7010509272 