Excellent Quality-100% Brand new and high quality! Abacus Size: 10.7 x 3.5 x 1 inchesSolid wood frame: more durable and beautifulMetal bracket: thick metal bracket, sturdy and durableReset button: flexible and convenient reset button, easy to useWide anti-skid Rubber Feet: do not slip when usedGuide..
Excellent Quality-100% Brand new and high quality! Abacus Size: 15 x 3.7 x 1 inchesSolid wood frame: more durable and beautifulMetal bracket: thick metal bracket, sturdy and durableReset button: flexible and convenient reset button, easy to useWide anti-skid Rubber Feet: do not slip when usedGuide H..