Carburetor Tool 7/21 Teeth Splined Adjustment Tool Pac Man/ Small Head | eBay
Carburetor adjustment tool Pac Man / Single D / Double D / Hexagon Hex Socket / 21-Teeth Splined / 7-Teeth Splined Screwdriver for Common 2 Cycle Small Engine (Set of 6) : Amazon.co.uk: DIY & Tools
Carburetor Adjustment Screwdriver Adjusting Tool for 2 Cycle Engine (21-Teeth Splined) : Amazon.in: Car & Motorbike