
1. Overall Size - 85mm, major diameter = 1.5mm, minor diameter = 7mm, fit for FRT18A FRT18A1 Part No. 46155 FRT20A1 trimmer. (The compatibility is just for reference, please compare the opening size with the original product before purchasing!) 2. Quantity - A pack of 100 replacement blades, enough for the trimmer, replace the original blades. 3. Good - The replacement blade is made of high quality ABS plastic, which has good safety and reliability. Can reach all the weeds around the tree without hitting or hurting the tree. 4. Easy Installation - These cutting blades are easy to install and use, making cutting and pruning garden plants easier.