The 420113A14 is a machined aluminum control knob from the 42011 series, featuring a smooth, natural anodized finish. It includes a plastic insert and a line indicator on top for precise positioning and is designed for 1/4-inch diameter shafts. This knob has an overall diameter of 1.255 inches (31.9 mm) and a height of 0.551 inches (14.0 mm). Secured by a #6-32 set screw for positive retention, its rugged construction with a brass threaded insert makes it ideal for various control panel applications requiring durability and a clean aesthetic.