Eco Drive Ratcheting Multi-Bit Driver, 9-In-1 Storm Door Locks & Latches This high-performance trimmer line is

This high-performance trimmer line is manufactured to fit all STIHL and competitive line trimmer heads

Coverage: New Lawns = 5

uses 1250 pack t-50 1/4" (tv# 137-190)

charge level and capacity

delivering maximum torque and ultimate user comfort

Eco Drive Ratcheting Multi-Bit Driver, 9-In-1 Storm Door Locks & Latches This high-performance trimmer line is9 in 1, eco drive, ratchet, multi bit, all metal ratchet: durable high torque ratchet for 2x driving speed & maximum control, power groove bits for power tool compatibility & jobsite versatility, wrench ready, hex shanks for additional leverage, precision machined bit tips, durable tips for secure fitment, chrome plated bits, magnetic bit retention delivers consistent driving performance.