Amkor TREX 2000 Fast Feed String Trimmer Head Easily take the hassle out of refilling your trimmer head with the TRI-CLONE TREX 2000 FAST FEED String Trimmer Head. Each reload takes under 35 seconds using four easy steps, all without disassembling the head. The patented triangle eyelet design delivers an even, consistent cut every time. Features FAST FEED / bump feed design with 4-string cutting for greater cutting power Option to use either 2 or 4 string lines Reloads in under 35 seconds with 4 easy steps Fits most straight-shaft gas-powered trimmers including Echo, Husqvarna, RedMax, Honda, Jonsered, Craftsman, Shindaiwa, Troy-Bilt, DeWalt, and more Easy-open design with no disassembly required Spring remains secured during maintenance Longer-lasting spool cap for extended durability Patented triangle eyelet design for an even cut every time Improved control of line feed (1.5 in. to 2 in. per bump) Accepts trimmer line sizes from .060 in. to .155 in. Line Capacity Holds up to 27 ft. of .095 in. line (2-string setup) Holds up to 20 ft. of .105 in. line (2-string setup) Holds up to 10 ft. of .130 in. line (2-string setup) Holds up to 7 ft. of .155 in. line (2-string setup)