Adjusting the carburettor allows you to increase or reduce the engine's idle speed, allow the right amount of fuel and air to mix in the carburettor, so tuning it properly will increase the performance of your engine.
Fits Husqvarna Splined Carburettor Adjustment Screw Driver Tool Part 530035 - UK
Fits Husqvarna Splined Carburettor Adjustment Screw Driver Tool Part 530035
Hyundai, 1310801-Offset Carburettor Adjustment Tool, HYMT5200X
Carburettor Adjustment Screwdriver Tool Fits Husqvarna Splined UK