BIG Kaiser's Slender Drive Angle Head features a reduced body that is capable of 90-degree cutting operations inside small bores. The latest product in BIG Kaiser's Profit Maker Series is offered in CAT40/50 and BT40/50 tapers standard with a dual contact interface. The angle heads change cutter angles without altering the workpiece position.

There are three small diameter and three large diameter output attachments, six total, of varying lengths. The smaller diameter outputs access bores starting at 1.181" in diameter and the larger outputs handle bores up to 1.575". Each output comes with an attachment capable of cutting a tool centerline up to 4.921". The Slender Drive's maximum speed is 2,000 rpm, and it is designed for drilling and light milling operations.