The GRAS KB0071 is a Large Left Ear 55 Shore-OO for GRAS Hearing-Protector Test Fixture. For installation, you need the GRAS RA0172 Pinna Holder Kit for GRAS 45CA (one kit per pinna).
Quality & Warranty
GRAS accessories are made of stainless steel, alloys and high-quality composites. These items are covered by a 2 year warranty respecting their intended use.
On consumables like batteries, cables and windscreen we offer a 6 month warranty.