About This 【One Stop Solution】The rivnut tool set contains a step drill bit, 120 rivnuts, 8 mandrels, a wrench and a professional user manual. It has everything you need for riveting work. The pitch of M5 is 0.8mm, M6 1mm, M8 1.25mm M10 1.5mm. 【Ultra-Compact & Portable】The nutsert tool kit & built-in labeled compartment rivnut boxes(metric & inch) are stored in a well-organized and customized BMC case for safe storage and convenient portability. 【Maximum Leverage & Productivity】13-inch ergornomic long handles maximize the leverage to pull full range rivnuts up to 3/8 inch & M10. The proper size make it easy for grab-and-go to solve narrow confined space riveting projects. 【Easy to Use & Maintain】The nutsert rivet gun features modular detachable design for easy riveting, mandrel changing and maintenance, and rotary knob structure for easy rivnut releasing. 【Sturdy Construction】This hand riveter has heat-treated Cr-Mo steel mandrels and blackened, heat-treated medium carbon steel handles, reinforced aluminum alloy body and thick non-slip grips which deliver reliable strength and durability. 【VERSATILE USE】The rivnut nutsert gun kit can be used to join metal, fiberglass, plastic together securely for different projects like van wall, metalwork, railway, aviation, off-road, RV and home improvement. 【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. Message us if you have any questions.