The Rhin-O-Tuff Onyx HD4170 makes coil insertion faster with its dual powered rollers and adjustable lower roller.  With built-in sizing gauges, selecting the correct-sized coil for your project diameter has never been easier or faster, and since the Onyx HD4170 can accommodate all pitches and diameters, it’s the only machine you’ll need. While the Onyx HD4170 can be used as a stand-alone inserter, you can also mount it to any vertical Rhin-O-Tuff vertical OD or HD series machine with an optional mounting kit available from the manufacturer. 

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Manufacturer video showing the Rhin-O-Tuff Onyx HD4170 in action
Rhin-O-Tuff Onyx HD4170 Coil Inserter User Manual 
Manufacturer’s brochure

Features
1. Dual powered rollers
2. Adjustable lower roller
3. Book thickness gauge
4. Stand-alone or mount to any vertical OD or HD series machine
5. Crimping pliers and holder included
6. Inserts all pitches and diameters
7. Superior rubber formula