... 24X24X20cm G.W.: 6.0/5.8kgs name:pain ruler medicine ruler pain scale medical ruler, cardiogram ruler,GFR ruler , ECG ... ruler,goniometer ruler,cardiographic ruler,medicine rulerBMI rulersize:dia.9.5/7.8 thickness:0.5material ... BMI ruler,GFR ruler,orthopaedics ruler,goniometer ruler,cardiographic ruler,medicine ruler