sawmill Piston Stop Tool - 14 mm Universal Piston Stop Sawmill Clutch Dismantling Tool with Flight Extractor Chainsaw Clutch Removal ToolUniversal piston stop clutch removal tools fit perfectly on Husqvarna Stihl Echo 2-stroke chainsaws. This piston stop is used for clutch service flywheel nut removal, trimmer and leaf blower maintenance. Flywheel Puller Kit for Stihl Chainsaw Stihl 020T MS200T 026 MS260 028 030 031 032 036 MS360 038 MS380 041 044 MS440 045 046 MS460 MS280 050 051 056 064 066 075 076 Replaces # 1110 890 4500. Easy to RemoveEasily service your clutch or remove the flywheel nut with these versatile piston stop tools. This is a general piston stop that requires the crankshaft to be held in place. Quality and Durability Designed for precision and durability, this chainsaw clutch tool is made from high-hardness manganese steel surface coated with a durable rust-proof black oxide coating for a long time.