Tecomec Chainsaw high quality T-Wrench 3/4" (19mm) for spark plugs and 1/2" (13mm) for bar nuts.
This wrench works on chain saw models like the Stihl 023, 025, 026, 028, 031, 032, 041, 042, 044, 048, 051, 056, 064, 066, 076, 084, 090 and more.
This wrench works on Poulan models like the 25 series (new style), 1800, 2000, 2300, 3000, 3500
This wrench works on Dolmar models like the 109, 112, 113, 114, 116, 117, 119 & 120.
This wrench works on Shindaiwa models like the 550, 575, 580, 680, 685, 695
The barrel length is 2-3/16" and the shaft length is 6-11/16"