Protractors and angle gages measure the angle between two surfaces of a part or assembly.

Retaining rings and snap rings are fasteners used to axially position a component on a shaft or in a bore.

Washers are disks of metal or non-metallic material placed beneath a nut, an axle bearing, or a joint, to relieve friction, prevent leakage, isolate, prevent loosening, or distribute pressure.

Microscope accessories and supplies are used with many different types of microscopes, including dissection or stereoscopic, compound, and confocal devices.

Swivel joints are used in fluid and pneumatic systems that require torsional rotation between flow lines.

Grinding wheels are used for metal removal, dimensioning, and finishing.