This is a Brand New OEM Homelite 98770 98770-A UP04349, 51808001

Fits models ST145,155 & 175 GST18, GSTBC, HBC18, HBC28, HLT15, HLT16, HLT18, HLT28, ST155 THRU ST385, SX135, d725cd, d830cb, EASY REACH, EASY TRIM, EXPAND IT, K100 K300, TRIMLITE, RYOBI TRIMMERS RY70101, RY70101A, RY70103, RY70103A, RY70105, RY70105A, RY70107, RY70107A, RY70111, RY70113, HOMELITE BLOWER MODELS VAC ATTACK, d25mhv, BACKPACKER.