【Compact Design for Tight Space】The 8 inch right angle style make it easy for grab-and-go to solve out-of-reach riveting projects for confined narrow spots. it is an ideal solution for SMALL ALUMINIUM rivnut, and it will need some grip strength for bigger inserts 1/4 & M6. 【One-Stop-Solution】The nutsert tool kit is packed in a well-organized compartmented case for safe storage and convenient portability. It comes with a step drill bit, 8 universal interchangeable mandrels, 80 carbon steel threaded nuts (10 for each mandrel), & a professional user manual, and the pitch of M3 is 0.5mm, M4 0.7mm, M5 0.8mm, M6 1mm. 【Built to Last】The threaded insert hand riveter consists of quality steel arm with blacken and heating treatment, aluminum alloy body, and thick non-slip PVC grips. It prevents from corrosion and deformation and prolongs the lifecycle to ensure the strength, durablity and reliablity. 【Easy to Change Mandrels】The nutsert rivet gun features modular detachable design for easy riveting, mandrels changing and maintenance, rotary knob structure for easy nut loading and releasing. Perfect solution for DIY and Professional use. 【Versatile Application】The threaded insert riveter tool kit can help you add attachedment with bolt on working piece like metal, fiberglass in different occasion like van wall, metalworking, railway, aviation, bicycle, off-road, RV and home modification. 【Warm Tips】Please note the mandrels are consumable and may be damaged with uneven pressure and improper use. We have addtional replacement mandrels M3 M4 M5 M6 6-32 8-32 10-24 10-32 1/4-20 here in our store. If any issue during using please message us.