Genuine CASIO GA-2100 G-Shock Case Back SCREW GA-B2100 (QTY 1) | eBay

Watch Case Back Cover Screws For G-SHOCK Casio GA-110/120 GD-110/120 DW6900 DW5600 DW-5600 GW-B5600 Series Bottom Screw Tools

4 UNITS 

Brand new, OEM Casio