This the replacement Muffler Mounting Screws for the / O.S. 1.20 AX engine - OSMG0650 and OSMG0651. / These screws are used to mount the muffler if you are not using the / muffler extension - OSMG6788. / / FEATURES: Steel construction, black in color / / INCLUDES: Two 4x45mm shoulder screw (requires a 3mm hex wrench - GPMR8013) / / REQUIRES: Installation / / SPECS: Length: 45mm / Diameter: 4mm / / kpm01/30/2006 / ir/jxs