![](https://horizontaltech.com/wp-content/uploads/2019/10/Reamers_Hero_Image.jpg)
Viper RockReamers
The new Viper RockReamer is designed in part
to alleviate the epidemic of split-bit reamers
catastrophically losing cutters down hole. The
Viper provides added strength and the best
possible down-hole cutter security in addition
to longer hours, smoother rotation, and better
penetration rates.
Jumbo
![](http://horizontaltech.com/wp-content/uploads/2019/10/Jumbo_Reamer.png)
Dimensions
![](https://horizontaltech.com/wp-content/uploads/2019/10/Jumbo-Dimensions-Chart.png)
![](https://horizontaltech.com/wp-content/uploads/2019/10/Opening-Range-Jumbo-1.png)
Opening Size & Suggested RPM
![](https://horizontaltech.com/wp-content/uploads/2019/10/Jumbo-Suggested-RPM-1.png)
![](https://horizontaltech.com/wp-content/uploads/2019/10/Jumbo-Suggested-RPM-3.png)
![](https://horizontaltech.com/wp-content/uploads/2019/10/Jumbo-Suggested-RPM-5.png)
![](https://horizontaltech.com/wp-content/uploads/2019/10/Jumbo-Suggested-RPM-7.png)
Spacer
![](https://horizontaltech.com/wp-content/uploads/2019/10/Jumbo-Suggested-RPM-2.png)
![](https://horizontaltech.com/wp-content/uploads/2019/10/Jumbo-Suggested-RPM-4.png)
![](https://horizontaltech.com/wp-content/uploads/2019/10/Jumbo-Suggested-RPM-6.png)