Milwaukee 48 20 3903 1 2 in. x 12 in. x 17 in. 4 Cutter MX4 SDS MAX Rotary Hammer Drill Bit 226 cxg 4vdh4 Item Communication Headset Ear Muff Item Communication Headset Ear Muff Style Behind the Neck Noise Reduction Rating NRR 28 dB Dielectric No Series Peltor WS LiteCom PRO III Color Dark Blue Headset Style Behind the Head Battery Type Li Ion Noise Canceling Yes Includes External Jack Earmuff Style Behind the Neck Auxiliary Input Bluetooth In Ear On Ear Over Ear LOV Over Ear One Ear Two Ear Two Ear Radio Band Type No Radio Band Standards ANSI S3 Size 1 3 4 x 72 In anchor installation The integrated 4 cutter design prevents lock up in rebar