22 pieces: this package contains 16 different sizes of sealing nozzles with 5 / 6 / 7 / 9 / 10 / 12 / 13 / 14 / 16 / 18 / 20 / 22 / 25 / 28 / 30 / 35mm, with 6 connection base This combination can meet your different filling requirements Joining tool can be widely used in bathrooms, kitchens, water tanks, door and window, frame sealing, outdoor wood houses Our seam filling nozzle is designed in 45 degree mouth shape to meet the needs of any gaps in daily The sealing nozzle is make of Stainless Steel and plastomer, Wear-resistance, nonstick brush, nondripping The connecting seats accessories are suitable for glass glues, sealant, ceramic epoxy adhesive, structure adhesive and various silicones sprays sealing sprayer, which meet the filling requirements of different distance angles and can have better sealing, Manufacturer: CAZSTYK