For noise levels up to 95 dBA. This over-the-head, folding earmuff featurea a stainless steel headband for consistent force and effective hearing protection.
? Folding – Cups fold up into the headband for compact storage
? Stainless steel construction resists bending and warping
? Earcup pivot points tilt for optimum comfort and efficiency
? Ultra light with liquid/foam filled earmuff cushions
? Color-coding for compliance sighting
? Noise Reduction Rating (NRR)*: 21 dB. CSA Class B
*The NRR may overestimate the hearing protection provided during typical use. 3M recommends reducing the NRR by 50% for estimating the amount of noise reduction provided.
3M is Leading the Advancement of Hearing Conservation.

Dynabrade 51740 .1 hp Straight-Line Pencil Grinder, Rear Exhaust, 60,000 RPM, 1/8" Collet, with Mount Stem
Norton 66623325035 - 2" 120 Grit Fine Grade Aluminum Oxide Vortex Rapid Prep Green TR Non-Woven Surface Preparation Disc, 50 Each
3M 21021, Floor Surfacing Discs, 5 in x .25 in, 6 Slots .5 in length 36 Grit, 7010401398
Norton 66623335427, 2" Dia Vortex Rapid Prep Quick-Change Non-Woven Abrasive Disc, Medium Grade, 50 Each
3M 01334, PSA Cloth Disc 348D, 50 X-weight, 3 in x NH, Die 300V, 7000118879
3M 22395, Roloc Disc 361F, 60 YF-weight, TR, 3 in, Die R300V, 7000045098
3M 71346, 675L, 1" X 120", 125u, Diamond Microfinishing Film Belts, 7010534823
3M 71358, 641WY 1/4" X 24", 600 Mesh Diamond Cloth Belt, 7010534894
Dynabrade 53242 7" Dia. Type 27 Vertical Depressed Center Wheel Grinder, 3 HP, 6,000 RPM, 5/8"-11 Spindle
3M™ 72013, Adapter 529-04-50, 110-120 VAC, 7000131705, 1 EA/Case 