3M Stikit Disc Roll 236U, 5" P220C, 100dc/rl | 86493 No Rhode Island M-7A amplified electret noise-cancelling microphone

M-7A amplified electret noise-cancelling microphone for clear transmissions

High strength composite and stainless steel construction

it accommodates integrated microphone and speaker assemblies while maintaining the headset's acoustic isolation and structural integrity

Long open time

3M Stikit Disc Roll 236U, 5" P220C, 100dc/rl | 86493 No Rhode Island M-7A amplified electret noise-cancelling microphone3M Stikit Disc Roll 236U, 5" P220C, 100dc rl 051144 86493 An aluminum oxide Stikit disc roll constructed on a C weight, intermediate paper backing. Long life Load resistant Durable Convenient disc roll form Attachment Type Stikit Coat Type Open Coat Color Gold Converted Form Disc Roll Diameter 5 Inch Equipment Machines Random Orbital Sanders Grade P220 Max OPM 12000 Max RPM 12000 Position Better