[_Manual for Keenz Class_][1] ![][2] [1]: https://cdn.shopify.com/s/files/1/0520/0022/7487/files/Keenz_Class_Manualv4_1.pdf?v=1660600885&utm_source=Keenz+Class+Manual&utm_medium=FAQs [2]: https://hf-files-oregon.s3.amazonaws.com/hdpthestairbarrier_kb_attachments/2022/08-15/0f619768-cb6b-429f-b429-234d15b5bdbe/…