E-A-R Ear Plugs: Skull Screws, Universal Earplug Size
The E-A-R Skull Screws ear plugs are testing plugs for hearing systems, supplied in a universal earplug size, 50 PK. This product, MPN 393-2012-50, is from the Skull Screws series by E-A-R.
SKU 3G-OTH-557280
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Product Description
The E-A-R Skull Screws ear plugs are testing plugs for hearing systems, supplied in a universal earplug size, 50 PK. This product, MPN 393-2012-50, is from the Skull Screws series by E-A-R.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What are E-A-R Skull Screws ear plugs used for?
E-A-R Skull Screws ear plugs are testing plugs designed for hearing systems. They are used in industrial hearing conservation programs to verify the fit and performance of hearing protection devices, ensuring accurate attenuation measurements during audiometric testing.
What are the specifications of E-A-R Skull Screws ear plugs?
The E-A-R Skull Screws ear plugs, MPN 393-2012-50, are universal earplug size testing plugs supplied in a 50-pack. They are part of the Skull Screws series by E-A-R and are designed for use in hearing system testing applications.
Where to buy E-A-R Skull Screws ear plugs worldwide?
3G Electric supplies E-A-R Skull Screws ear plugs worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this product to your facility. Contact us for availability and lead time on orders.
How to use E-A-R Skull Screws ear plugs for hearing testing?
Insert the E-A-R Skull Screws ear plug gently into the ear canal until a snug fit is achieved, following standard hearing test protocols. Ensure the plug is clean and undamaged before each use. Replace after each test session to maintain hygiene and accuracy.
E-A-R Products
3G Electric supplies E-A-R testing plugs for hearing systems. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









