When the spring in your Trim Fast 
Hydrofarm precision pruners eventually gets a bit tired, don't send them
 to the recycling bin. Make them like new again with a replacement 
pruner spring. These bouncy springs slip quickly and easily into place 
on the precision pruner so you'll be back to snipping in no time. Models
 it is compatible with include HGPP400C, HGPP400, HGPP400T, HGPP400CT, 
HGPE400, HGPE400C, HGPE400CT. May also fit other brands. 
Dimension of spring is 1.26" length (32 mm), .318" width (8 mm)              
    Replacement springs for precision pruner series
    Better-working pruners also reduce strain and stress on your hands
    Springs slip quickly and easily into place