Atabletparts New Digitizer Touch Screen Panel For Mach Speed Trio Stealth G4 MST-741 7 Inch Tablet Ship From USA High quality mach speed trio stealth g4 mst-741 digitizer touch screen replacement (instructions and lcd not included) In stock and ship same day via USPS from NJ. Come with pre-cut adhesive type on the back side. Replace the cracked, defective,unresponsive non-working touch screen. Package includes: 1 pcs touch screen replacement / 1 set opening tools / 1 roll of 3mm adhesive type.