Round brush face is flared for thorough cleaning of smaller window areas, vehicle panels, and auto bodies. Molded plastic block with 3 handle holes, 2 threaded holes and 1 tapered hole, with flow through feature. 4 1/2". Horsehair/poly mix. 2 1/2" trim. Handle not included. Refer to model No. 11070 for flow through handle or model No. 11041 for wood handle.