SharpShooter Tips effo and the handle is KEVLAR and the handle is KEVLAR which 100% insulates both heat and electricity 10° NEGATIVE0° FLAT10° POSITIVEALWAYS SQUARE ON THE GLASSRADIAL ROCKER is designed with a 20 degree range of motion to cater for the change of angle the pole goes through from the top to the bottom of the window set the angle adaptor for the middle of the window and ROCKER will do the rest your SCRUBS will always be square on the glass for amazing fast agitation and this shooter tip design allows you to do your job effectively while standing on the ground ***The greatest difference will be on larger volume pumps like 8 10 GPM***