The Lawn Mower® trimmer models each have their own unique guards/trimming combs. There is no reverse compatibility between guards and different models.

The Lawn Mower® 5.0 Ultra

The Lawn Mower® 5.0 Ultra includes 3 blade guards. 

• One fixed-length comb at 1.4 mm (this will come attached to your device within the packaging.
• Two adjustable combs with six different length settings between them. One with 2, 4, & 6 mm and the other with 8, 10, & 12 mm

The Lawn Mower® 4.0

The Lawn Mower® 4.0 includes 2 adjustable blade guards. One guard adjusts from 3mm to 6mm with a simple swipe up or down. The other guard adjusts from 10mm to 13mm.

The Lawn Mower® 3.0

The Lawn Mower® 3.0 comes equipped with a single adjustable guard that adjusts from 2mm to 3.5mm with a simple swipe up or down.

The Lawn Mower® 2.0

Our Lawn Mower® 2.0 includes two adjustable blade guards for various cut lengths—a 3/6mm guard and a 9/12mm guard. Each can be flipped and locked in place according to your desired length.