Specification: Material: Plastic Box size: approx. 27.4×18.2×4.35cm Retainer Sizes: 19 most Popular Sizes 35pcs A15 — Head Diameter: 17.2mm, Stem Diameter: 7.7mm, Total Length: 20mm 15pcs B87 — Head Diameter: 15.4mm, Stem Diameter: 5.8mm, Total Length: 29.3mm 10pcs P22 —…