3M E-A-Rflex 28 features soft, E-A-Rform 28 foam tips that reacts to body temperature for enhanced comfort and fit.
? Pivoting tips for proper, comfortable fit that moves with the wearer for more consistent protection
? Replaceable foam tips: product number 320-1001
? Noise Reduction Rating (NRR)* 28 dB. CSA Class AL
*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.

Insize 1179-600, DIGITAL RTJ RING GROOVE CALIPER, inside diameter of RTJ ring groove .4-24"/10-600mm, outside diameter of RTJ ring groove 1-24"/25-600mm, 6928640302572
3M 20932, PSA Cloth Disc 348D, 80 X-weight, 1 in x NH, Die 100N, 7000118914
3M 97419, Aluminum Foil Tape 3380, Silver, 48 mm x 45 m, 3.25 mil, 7000049613
3M 26136, PPS Series 2.0 Adapter, Type S32, 18 mm Female, 1.5 mm
Thread, 7100135952
Dynabrade 15420 Dynafile III Abrasive Belt Tool
3M 29611, 641WY 1/4" X 24", 100 Mesh Diamond Cloth Belt, 7010534832 