I made these for my deck handrail as Amazon wildly overpriced their version - I was able to make them for half the price, out of a better material.

Copied off this link here - [https://www.amazon.com/Connectors-Actually-Handrail-Connection-Galvanized/dp/B0CHVMPQ8F/ref=sr_1_7?crid=1Z5UVWHF81QE1&dib=eyJ2IjoiMSJ9.diLZeQrpzIrrTuda8KxGshhnk5ZnAjPXQT8MXx6lMP31djhi1GJHCXRI-WBrxdERyde8yAofDn74graB7gf2doXYVH5e_xxMn7TOeULdrl8apf_VzlCgf9OGqFk1p4OBhhme0bPGmDXxWSjvwnNUuxOjbkV7eIGl4jvvtWG2VFfQdD6ClAdBjstrKfq1krI0TIW_RMj9C2F_6GFXk8pbXjEAJSbG4Hpo2WbyDtvzGHREtDTznGasrXJYCKlZ26ORdHUn1snaH9of4n0eF-GgxqXnHHHSuwry4P8AIkxFjnE.IwuUpVSf9vMkMSNqW6MTX0eu7FMEKYoK5nlxlvmS9HI&dib_tag=se&keywords=deck%2Bhandrail%2Bmounts&qid=1746632047&sprefix=deck%2Bhandrail%2Bmou%2Caps%2C171&sr=8-7&th=1](https://www.amazon.com/Connectors-Actually-Handrail-Connection-Galvanized/dp/B0CHVMPQ8F/ref=sr_1_7?crid=1Z5UVWHF81QE1&dib=eyJ2IjoiMSJ9.diLZeQrpzIrrTuda8KxGshhnk5ZnAjPXQT8MXx6lMP31djhi1GJHCXRI-WBrxdERyde8yAofDn74graB7gf2doXYVH5e_xxMn7TOeULdrl8apf_VzlCgf9OGqFk1p4OBhhme0bPGmDXxWSjvwnNUuxOjbkV7eIGl4jvvtWG2VFfQdD6ClAdBjstrKfq1krI0TIW_RMj9C2F_6GFXk8pbXjEAJSbG4Hpo2WbyDtvzGHREtDTznGasrXJYCKlZ26ORdHUn1snaH9of4n0eF-GgxqXnHHHSuwry4P8AIkxFjnE.IwuUpVSf9vMkMSNqW6MTX0eu7FMEKYoK5nlxlvmS9HI&dib_tag=se&keywords=deck%2Bhandrail%2Bmounts&qid=1746632047&sprefix=deck%2Bhandrail%2Bmou%2Caps%2C171&sr=8-7&th=1)

made from PETG-CF, fits a standard 2x4 - I also made one for the angles staircase rails on my profile