Review on 🦈 Shark Rocket and Rotator Precision Duster XDETNH380 | Compatible with HV380, HV380W, HV381, HV382, HV384Q, NV680, NV681, NV682, NV683 Models by Jamie Lundgren

Very small, almost like a toy. The photos didn't make it clear just how big this thing was. The brush on the end can be 3/4" - 1" and the inside is slightly smaller to fit through the head. It's decent for tight crevices, but if you want a decent-sized brush to get into corners, this isn't the tool to buy.