Sino KA-200 16mm*16mm Slim Linear Scale KA200 30 40 50 60 70 80 90 100 110mm 0.005mm TTL Thin Grating Ruler Optical Encoder Sino KA-200 16mm*16mm Slim Linear Scale KA200 30 40 50 60 70 80 90 100 110mm 0.005mm TTL Thin Grating Ruler Optical Encoder. Sale price : $135.07 Category : Tools