SINO Optical Grating Ruler Linear Scale For Turning Lathe Milling KA-300 5um TTL The order isone piece 5u(0.005mm)linear glass scales/linear encoder/linear sensor,travel length are 120mm, 170mm, 220mm, 270mm, 320mm, 370mm, 420mm, 470mm, 520mm, 570mm, 620mm, 670mm, 720mm, 770mm, 820mm, 870mm, 920mm,970mm, 1020mm,you canchoose one pieceamong them. byJuly 5, 2026