Feature:1. Used for removing watch crystals from watch cases, practical tool.2. Easily remove the complete crystal cover from your watch, no scratches.3. Suitable for various types of watches, widely applicable for different watches.4. Ergonomic designs, convenient to hold, comfortable using experience.5. Suitable for watch makers and watch repairing workers to use.Specification:Condition: 100% Brand New Item Type: Watch Crystal Removing Air PumpMaterial: Metal + Plastic Usage: Remove watch glass, open front cover, watch repairing Suitable: for Watch movement placed from the front and with seamless thin watch cover.Usage:1. Pry open the back cover and take out the lever2. Close the back cover3. Choose the right blower and align the case tube4. Apply little force against the tube, do not leakage, put the air pump to the bottom. Package List:1 x Air Pump 5 x Pump Head 1 x Metal Accessory Note:Use with your fingers gently against the glass, do not let the glass drop to the ground and break