THTEN HT19-401-003-03 Trimmer Replacement Blades Head Compatible with Hyper Tough 40V MAX 13" String Trimmer HT18-401-002-01,HT10-401-002-01,18 Pack DF-065 Trimmer Blade Easy to use and install

Easy to use and install pre-wound spool saves you time and energy

Excellent waterproof and dust-proof ability

It features a quote saying "POOL RULES No diving No Running

let you change out quickly to get the job done

Compatible with RYOBI Auto-Feed String Trimmers: 18-Volt

THTEN HT19-401-003-03 Trimmer Replacement Blades Head Compatible with Hyper Tough 40V MAX 13" String Trimmer HT18-401-002-01,HT10-401-002-01,18 Pack DF-065 Trimmer Blade Easy to use and installFit for Hyper Tough 13 in. 40V Cordless String Trimmer HT19 401 003 03 Fit for Hyper Tough 12 in. 4 Amp electric Grass Trimmer HT18 401 002 01 Fit for Hyper Tough 13 in. 4 Amp electric Grass Trimmer HT10 401 002 01 Easy Installation: simply push this trimmer head into the string socket and it automatically locks in place with assistance from the side push buttons. For Best Use: Avoid Using This Accessory for Edging, Working with Brick, Chain, Concrete