Description: 3 Nosepieces Instead of 5: The 3 interchangeable nosepieces can fit 5 different sizes of rivet. It is perfect to replace the nosepiecemanually and reduce the frequency of changing. You can simply and quickly get the job doneDurable Material: The rivet gun is made of aluminum alloy material which is strong and durable, and nosepieces are made of 1035steel with high hardness(HRC45-55). The 3-law structure design will make the rivet firmly seized and the riveter can’t be blocked easilyPackage and Applications: The riveter kit contains 3 nosepieces for 5 popular sizes: 1/4”, 5/32”&3/16”, 3/32”&1/8”. 100 rivets of 5 differentsizes are designed for a variety of indoor and outdoor riveting jobs, such as automotive, railway, elevator, instrument, furniture and so onNotice: The heavy duty rivet gun can handle 3 types of rivets: aluminum, steel, and stainless steel. Please note that the 1/4″ stainless steelrivets can’t be used on it