To build a custom knob or thumb screw, pair one of these knobs with a hex or socket head screw. They provide a secure grip to position, tighten, and hold fixtures, equipment, and machinery.

Convert screws into knobs so large you can grip them with heavy work gloves. Slip these knobs onto a hex or socket head screw and tighten the set screw to secure. They provide a secure grip to position, tighten, and hold fixtures, equipment, and machinery.

Long shafts can thread through these knobs for mounting versatility. The knobs provide a secure grip to position, tighten, and hold fixtures, equipment, and machinery.

Install these knobs on a threaded stud. They provide a secure grip to position, tighten, and hold fixtures, equipment, and machinery.

A rubber coating or construction provides a comfortable grip. Use these knobs to control devices with round or D-shaped shafts and view settings at a glance with a pointer.

For monitoring the number of shaft turns on instrumentation, these knobs have easy-to-read scales or digits for quick and accurate readings. Use them on devices with round shafts.