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

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.

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

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

Edge card connectors are edge-on connectors designed for single-sided or double-sided printed circuit boards (PCBs

Computer board and card edge connectors are used inside personal computers to connect disk drives, CD drives, and serial and parallel ports to the motherboard

Pressure-sensitive safety edges and safety bumpers are machine safeguarding devices that sense changes in pressure