Rotary 12614 Piston Stop Tool For Stihl by Rotary $7.31 Sold out 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Sold out PRODUCT INFORMATION Type Other PRODUCT DESCRIPTION DESCRIPTION Piston stop tool replaces Stihl 1007 191 1200. Locks piston in 2 cycle engines to help removal of clutches and flywheels. 14mm thread machined steel. REPLACES OEM STIHL 1107 191 1200, 1107-191-1200 SPECS THREAD SIZE 14 mm