40 degree Ergonomic: bi-component handle. Swivel: perfect for pole work. TriLoc for secure channel hold. Fits securely to pole with Locking Cone ErgoTec NINJA is our premium range of sophisticated tools, developed by experienced UNGER engineers to meet the requirements of professional window cleaners for quality and performance. Every product within ErgoTec NINJA family is loaded with features to help you achieve outstanding results with minimum effort; high quality materials for each component have been carefully selected to ensure the best performance.