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 26597, Cloth Belt 341D, P320 X-weight, 1 in x 42 in, Film-lok, Single-flex, 7010294511, 200 per case
3M™ 17323, Versaflo™ Respiratory Helmet Assembly M-407, with Premium Visor and Flame Resistant Shroud, 7000002395, 1 EA/Case
Dynabrade 51731 .1 hp Straight-Line Pencil Grinder, 60,000 RPM, 1/8" Collet
ACS 3" Diamond Roloc Disc, 120 Mesh, W/ Plastic Button
3M 81451, Scotch-Weld Structural Plastic Adhesive DP8010NS, Blue, 45 mLDuo-Pak, 7100036721, 12/case
ACS Diamond Cloth Belt, CX1250 1/4" X 24" 75U
Dynabrade 51622 .1 hp Straight-Line Pencil Grinder, Central Vacuum, 35,000 RPM, 3mm Collet
3M 33780, 641WY 1/4" X 24", 400 Mesh Diamond Cloth Belt, 7010534915 
