โต๊ะระดับหินแกรนิต /Granite surface plate

โต๊ะระดับ ทำจากหินแกรนิต
Black Graanite surface Plate
Natural granite seasoned for thousands of years is free from deterioration or dimention change over time
Granite surface plate has many advantages over cast iron surface plate:twice as hard as cast iron.
Minimal changes in dimention due to temperature changes.
Free from wringing,so there is no interruption of work

Trouble-free operation for use with magnetic materials,
Long life and rust-free, resulting in low maintenance costs