3M™ Hookit™ coated 900DZ hook & loop disc uses ceramic as the abrasive material and has a diameter of 5 in. 3M incorporates this ceramic material into the hook &...
Details Noise reduction rating (NRR) of 24dB or higher when worn properly Equipped with 40mm high fidelity Speakers for premium sound quality Easy-to-use one button interface helps keep you focused...