STIHL SuperCut 20 2 Mowing Head HUS574429701 A built in hammer ready strike cap MIL268620 A built in hammer ready strike cap improves your leverage when working in tight and tricky spaces The thicker core provides ultimate strength and protects against side load breakage while a specially designed parabolic flute form clears chips and debris fast to keep the bit cool this trimmer head is ideal for lawn trimming and mowing large areas of heavy grass and weeds The STIHL SuperCut 20 2 is suitable for the following STIHL brushcutters: FS 56 C E FS 56 RC E FS 70 R FS 91 FS 91 R FS 94 FS 94 R FS 111 FS 111 R FS 111 RX FS 131 FS 131 R FS 240 R FSA 90 R FSA 130 R FSA 135 FSA 135 R Note: Mowing heads may only be used with a special mowing guard or a STIHL universal guard for mowing heads and metal tools