Universal Brushcutter Head | Nylon Brushcutter Head | Trimmer Head Garden - 3.0mm - Aliexpress
Husqvarna Weed Eater 320iL 40-volt 16-in Straight Shaft Battery String Trimmer (Battery and Charger Not Included) in the String Trimmers department at Lowes.com
ECHO 30 cc Gas 2-Stroke X Series Straight Shaft String Trimmer SRM-3020T - The Home Depot
RYOBI 4-Stroke 30 cc Attachment Capable Straight Shaft Gas Trimmer RY4CSS - The Home Depot
RYOBI 4-Stroke 30 cc Attachment Capable Curved Shaft Gas Trimmer RY4CCS - The Home Depot
Troy-Bilt 30-cc 4-cycle 17-in Straight Gas String Trimmer with Edger Conversion Capable at Lowes.com
RYOBI 4-Stroke 30 cc Attachment Capable Straight Shaft Gas Trimmer RY4CSS - The Home Depot