Ideal for use with your existing glue and silicone cartridges this handy set can help you eliminate problems with dried silicone glue or smearing through poorly accessible areas the nozzles caps and entensions are all purpose made for working with silicone glue and adhesives includes 3 x caps for cartridges 3 x standard nozzles small 2 x angle piece for unscrewing 1 x nozzle with rotating mechanism 1 x nozzle extension large