Earplugs PIP Reusable TPR Corded Ear Plugs NRR 27, NP267HPR410C Grease Gun CT and D hole saws CT and D hole saws (Diamond hole saw applications will usually require an arbor with a carbide tipped pilot drill) 092644693380 making them very cost e icient Moderate attenuation allows for safe usage that blocks out hazardous noise yet allows warning signals and voices to be clearly understood Applications Construction Applications Manufacturing Workshops Energy PIP® Reusable TPR Corded Ear Plugs NRR 27 Pre formed plug shape with no rolling required makes insertion simple Self sealing flanges give all day comfort Rigid stem makes insertion easy and reduces the risk of contamination Corded versions use a non resonating textile cord for comfort and easy storage Cord can be detached for added safety when working around machines