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 06506, Scotch Steel Gray Masking Paper, 06506, 6 in x 1000 ft, 6 per case, 7000045440
3M 08017, Marine Grade Silicone Sealant, White, 3 oz Tube, 7000120479, 6/Case
Dynabrade 78380 3" Dia. x 1/2", Dyna Premium Rapid Strip TR Disc, 25/pack
3M 33780, 641WY 1/4" X 24", 400 Mesh Diamond Cloth Belt, 7010534915
3M 87449 Silver Depressed Center Grinding Wheel, T27 Quick Change, 9 in x 1/4 in x 5/8-11 Center Hub Thread, 7010409732, 20 per case 
