Kit includes 2 nozzles designed to fit comfortably and work effectively. All are covered in quality silicone and have large holes round the tip for a thorough cleaning experience. Each has an aluminium thread which fits most shower hoses.Dimensions: CLASSIC: TOTAL HEIGHT X BASE WIDTH: 7.80 x 1.18 Inches (19 x 30 mm) SHAFT INSERTABLE LENGTH: 5.91 Inches (150mm) SHAFT DIAMETER: 1.18 Inches (30mm) at widest point RIPPLED: TOTAL HEIGHT X BASE WIDTH: 7.80 x 1.42 Inches (195 x 36mm) SHAFT INSERTABLE LENGTH: 4.84 Inches (123mm) SHAFT DIAMETER: 1.42 Inches (36mm) at widest point