Still using the less reliable, and hard to find 5 ¼ disks? Help is here, with the Custom Drilling Technologies 3 ½" Disk Drive Kit you can easily replace those old oversized disks with compact 3 ½" disks.

The kit comes complete with two new drives mounted on a face plate that you just mount into your CNC machine, an updated board to handle the new system, ten disks and labels to get you started, and complete step by step instructions for the installation.