Rotary 15116 T-Wrench 19mm X 17mm by Rotary $8.00 Sold out 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Sold out PRODUCT INFORMATION Type Other PRODUCT DESCRIPTION DESCRIPTION T-Wrench 19mm x 17mm with T-27 Torx Bit. Fits most new Stihl Chainsaws 19 X 17mm (3/4" x 11/16") 3" Barrel with a 7-3/4" long handle.