Electric Push-N-Load®:

For use on electric trimmers only

Conveniently uses pre-cut strips for three-second line changes

Fits most Black & Decker, Toro and Weed Eater electric trimmers

Push-N-Load® 4 Line:

Uses pre-cut line for three second line changes

Features four lines for efficient trimming

Fits 99% of all gas trimmers

Fast-Loader™:

Fits all trimmer line shapes and sizes

Great for trimming and edging around walkways, driveways,
  fences and rocks

Fits 99% of all gas trimmers