E-Switch currently offers three edge mount switches which are miniature tact switches. The TL4100 Series is the largest of the edge mount switches at 6.2mm x 3.5mm x 2.5mm. The TL4105 Series is 4.8mm x 2.5mm x 2.2mm in size. The newest and smallest edge mount switch is the TL4110, which is a mere 2.8mm x 2.5mm x 2.0mm in size.