17-bit imitation steel metal belt windbreaker abacus students use accounting abacus

Abacus Name: 185#17-gauge imitation steel white beads for students with a clearing device

Abacus Specification: Length 34.2cm, Width 7.7cm, Height 1.7cm

Abacus single weight: 0.305kg

Abacus packaging quantity60 pieces per box

Abacus material: frame imitates steel material, beads plastic white beads red positioning beads, with a clear disk device, copper buttons, metal iron beads bar

Abacus suitable for people: students, finance and accounting professionals. Schools use this model year-round. There are a total of 4 colors to choose from, with different prices.