Description: Traditional arithmetic metal retro abacus, great for rapid calculation, highly recommended for use in any math abacus / soroban course. A classic tool that is still fully functional ,17 Rods with 1 bead above and 4 beads below on each rod Well made frame and beads. Material: Metal?Aluminum Alloy Color: As pictures shown Can be used as classical calculator in office, educational tool for teacher or a gift for abacus collectors. Size Chart: L x W x H: Approx 34.7* 8*1.7cm/13.66 *3.15*0.67inch Package Includes: 1 Metal abacus Note: Due to the manual measurement, please allow 1-2mm differences in size. Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same
