Works with ZAMA, Walbro, STHIL, Husqvarna, Craftsman, Poulan, Weedeater, Echo, Homelite, Ryobi, MTD, Troy-Bilt, Toro, Sears, Ruixing, and Huayi; suitable for string trimmers, chainsaws, leaf blowers, hedge trimmers, edgers, pole pruners, and any other equipment that requires carburetor adjustment tools.
Pack-of-14 carburetor adjustment tools: Must have for 2 Cycle engines to keep them in good performance
RPM Tachometer: Read engine current RPMs , Help adjust engine idle speed
Squared handles, which makes it easy to tell 1/4 turn increments on the mixture settings when trying to tune a carburetor; Advanced heat treatment process and corrosion-resistant finish screwdriver bits