for Trimmer's Shaftless Cutter Head Assy, turn the crank handle assy clockwise to tighten the shaftless assy. Compatible With Ryobi Reel Easy trimmer heads
312283001 Handle, Crank, String Head Also Used for Homelite, RID-GID, Troy Bilt, Echo Powerstroke Workforce BLACKMAX
Before purchase, please live attention to check the correct model, check the correct size, to avoid not suitable for your machine