ITEM NAME:Metal Chainsaw Carb Screwdriver Spark Plug Wrench Bar Description: Tool Set 13/19 Wrench T27 Carburetor Carb Screwdriver For Stihl Chainsaw Work on many STIHL CHAINSAWS and other brand machines The Spark plug wrench is a 13 mm (1/2") and 19 mm (3/4") with a flat head screw end. This works on STIHL bar nuts and standard STIHL plugs. The another wrench is a T27. Specification: Material: Plastic + Metal Color: As picture show Size: Approx. 7.2x2.5x8.3cm/2.83x0.98x3.27inch Package Includes: 1 piece Spark Plug Wrench 1 piece Small Screw Driver 1 piece Wrench 2 pieces Bar Nuts Note: Pls allow an error of 1-3mm due to the difference of mamual measurement. SKU: FUZ0025241560009007.Tool Set 13/19 Wrench T27 Carburetor Carb Screwdriver For Stihl Chainsaw. The Spark plug wrench is a 13 mm (1/2") and 19 mm (3/4") with a flat head screw end. 1 piece Spark Plug Wrench. The another wrench is a T27.