3M Peltor MT73H7B4D10-NA Behind-the-Neck Communication Headset, 28 dB, Dark Blue G3868767 Available in many sizes and

Available in many sizes and coarse to fine grits for sharpening to fine shaping applications

Connector Type Straight Barrel

Number of Layers 8-ply

Slip-Joint: 6-1/2 in

Large Hand Wheel Knobs

3M Peltor MT73H7B4D10-NA Behind-the-Neck Communication Headset, 28 dB, Dark Blue G3868767 Available in many sizes andCommunication Headset, Headset Style Behind the Neck, Headset Type Rigid, Noise Reduction Rating 28 dB, Dielectric No, Intrinsically Safe No, Connection Type Headset to Headset and Bluetooth, Cushion Material Foam, PVC, Cup Color Blue, Two Way Radio Communication Type Listen, Talk, Auxiliary Input Bluetooth, Standards ANSI S3. 19 1974, Band Color Blue, Band Material Stainless Steel, Battery Chemistry Li Ion, Battery Life 11 hr, Battery Size 3. 7V,