3M™ Skull Screws™ Probed Test Plugs 393-2012-50, 50 pair/case, 10 pair/bag, 5 bags/case Furniture FOR THE MOST CHALLENGING APPLICATIONS:

FOR THE MOST CHALLENGING APPLICATIONS: Toughened for impact and fatigue resistance

3M SKU: 7010367846

3M SKU: 7000121901

3M SKU: 7000118908

3M SKU: 7010334877

3M™ Skull Screws™ Probed Test Plugs 393-2012-50, 50 pair/case, 10 pair/bag, 5 bags/case Furniture FOR THE MOST CHALLENGING APPLICATIONS:3M SKU: 7000128264 Lead Time: ~2 days 3M Skull Screws Probed Test Plugs are a specially probed version of the standard plug. *The NRR may overestimate the hearing protection provided during typical use.; allows you to conduct an earplug fit test for the P1300 and P1301 earplugs; his product works with the E A Rfit Validation System; specially probed version of the standard plug