Ear Chambers HT04-22 brad-point bits or twist bits

brad-point bits or twist bits with a 1/2" diameter or less shank

imaginative projects include whimsical wizards

Overall size: 4" long x 1-1/2" wide x 7/8" thick

this is your glove

Ear Chambers HT04-22 brad-point bits or twist bitsA unique solution to noise pollution. These hollow chambers act as an external extension of the inner ear canal. The sound waves in the environment reach the outer ear. The Sensgard Ear Chambers re direct the sound waves away from the inner ear canal. The chamber allows low frequencies, such as speech to travel through, leaving you with sounds you hear at a safe level for safe hearing. Features: NRR 26 db. Patented ear chamber technology Simple