(1) 2.5 * 4, height 4.5mm, bottom outer profile 4.5mm, bottom inner hole 1.9mm, top outer contour 2.2mm, top inner hole 1.6mm
(2) 3 * 5: height 5.7mm, bottom outer profile 4.9mm, bottom inner hole 2.2mm, top outer profile 2.8mm, top inner hole 2mm
(3) 4 * 5: height 4.6mm, bottom outer profile 6.3mm, bottom inner hole 3.2mm, top outer contour 3.9mm, top inner hole 2.8mm