CRL Eliminator 29 Hearing Protectors Tripple-Ripple Plated Diamond Drill Bits and is built to give

and is built to give long-term

6-1/2" (165 mm) long

7 and 6 mm) sizes accommodate screw sizes from #4 through #10

SDM4 or Regular Power Drills

CRL Eliminator 29 Hearing Protectors Tripple-Ripple Plated Diamond Drill Bits and is built to giveDesigned to Equalize Pressure Lightweight Ear Cups CRL's Eliminator 29 Hearing Protectors have a flexible headband which allows for the ear cups to automatically adjust to the shape of your head. The headband is also designed to equalize pressure, which provides an even seal for better protection. The ear cups are lightweight for all day comfort, and will flip outward for an easy comfortable fit when hanging around your neck. Product images shown are