Sync Hi Vis Digital AM FM Radio Earmuff, 25 dB, Hi Vis Green ORS NASCO 72 tooth ratchet requires only a 72 tooth ratchet requires only a 5 degree swing arc to turn a fastener Teardrop ratchet head for improved access Flush mounted on off switch allow better access in tight spaces Quick release allows for fast socket exchanges Sockets feature off corner loading technology to virtually eliminate fastener rounding high tech look and increased worker acceptance Light weight design plus extra wide sealing area provides all day comfort Low profile crisp digital radio reception and high fidelity stereo sound quality Bright green earcups provide high visibility and contrast Convenient combination of AM FM radio with hearing protection Digital AM FM tuning with LCD display automatically searches for radio stations 10 pre set stations and volume memory can be personalized for each worker Clean