together: 4.38" x 3.33" 111.29 mm x 84.69 mm
head: 1.77" x 1.62" x 2.23" 45.07 mm x 41.03 mm x 56.68 mm
stone: 2.33" x 1.35" x 0.89" 59.08 mm x 34.39 mm x 22.60 mm
base: 1.58" 40.08 mm