You can dispense the exact amount of LOCA-UV glue required easily, because it uses UV glue dropper. Therefore, it is essential for a proper repair. Mobile phone can be safely opened without damaging the phone cover because it has a full set of tools. And this repair tools kit has the function of replacing the broken or damaged phone screen. Made of high-quality tempered glass material, it is reliable and durable. The length of the product is 16.5cm, the width is 8cm and the thickness is 0.3cm. It is compatible for Samsung Galaxy M21 M21S M31 M31S M51 M71 M62. Item Name: Glass Screen Material: Tempered Glass Compatible Models: for Samsung Galaxy M21 M21S M31 M31S M51 M71 M62 Features: Repair Parts, High Efficiency, Cell Phone Accessories Size Details: 16.5cm x 8cm x 0.3cm/6.5" x 3.15" x 0.12" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Note that it does not include user manual, LCD display and frame, only touch screen glass. Professional installation is recommended. We are not responsible for damage caused by improper installation. Package Includes: 1 x Glass Screen 1 x 5mL Premium UV Glue (Liquid Optically Clear Adhesive) 1 x 10ml Glue Remover 2 x Cleaning Cloths 1 x Flexible Metal Pry Bar Tool 1 x 0.8mm Thick 20M Long Molybdenum Wire 2 x Plastic Handles 3 x Orange Plastic Blades 1 x Metal Blades 1 x Tweezers 1 x 8Pcs Universal Repair Tools Kit