Size:

#1: height 12.7mm, width 17.8mm, thickness 7.9mm, jump ring hole 4mm, weight about 3g/piece

#2: height 13.8mm, width 18.9mm, thickness 8.6mm, jump ring hole 4mm, weight about 2.9 grams/piece

#3: length 17mm, width 8mm, jump ring hole 4mm

Note: The size and weight are measured manually, so there will be some indirect measurement errors.