BLACK+DECKER MTD100 Removable Mower Deck for 12" Trimmer — 12" Cutting Swath, Tool-Free 2-Height Adjustment

The BLACK+DECKER MTD100 removable mower deck converts a compatible 12" string trimmer/edger into a compact mower for small yards and tight spaces.

If you own a compatible BLACK+DECKER 12" trimmer, the MTD100 deck adds a mower function without buying a second machine. Designed as a snap-on accessory, the deck gives you a tidy, low-profile cutting option for lawns up to about 700 square feet and for spots that are awkward to reach with a full-size mower. It stores easily and attaches to the trimmer head to cut a uniform 12" swath.

How does the MTD100 turn my trimmer into a mower?

The deck installs around the trimmer head and channels the cutting pattern into a flat, mowing path rather than a string-only trim. Two height settings let you pick a shorter or slightly taller cut so you can adapt to different turf conditions. Installation is tool-free on compatible models, making conversions quick.

• Snap-on deck mounts around trimmer cutting head
• Creates a 12" mowing swath from the trimmer line
• Two-position height adjustment for different grass lengths
• Tool-free attachment on supported trimmer models

Which trimmers work with this removable deck?

The MTD100 is engineered to fit specific BLACK+DECKER 12" trimmer/edger models. Before purchasing, confirm your trimmer model number matches the compatibility list to ensure correct fit and safe operation. The product ships as the deck only; the trimmer is sold separately.

• Compatible with NST2118, LST220, LST300, LST400
• Also fits LST522, LSTE522, LSTE523, LSTE525
• Includes only the MTD100 removable mower deck (no trimmer included)
• Check your model number on the trimmer label before ordering

What size and yard conditions is the deck best for?

This detachable deck is optimized for small properties, narrow corridors, and sloped or uneven areas where a push mower is impractical. It's ideal for routine maintenance on yards up to roughly 700 square feet, and it shines at reaching edges, around landscaping, and on embankments.

• 12" cutting width suited to small lawns and paths
• Works well on slopes, terraces, and around obstacles
• Recommended for properties up to about 700 sq. ft.
• Good complement to a trimmer for finishing edges and touch-ups

How do I store and maintain the MTD100 deck?

The deck includes a wall-hanging option for compact storage in a garage or shed, reducing floor clutter when not in use. Wipe the interior after use to remove grass buildup and check mounting points periodically. Keep the trimmer line in good condition for the cleanest cutting performance when used as a mower.

• Built-in wall hanging bracket for tidy storage
• Rinse or brush out grass clippings after mowing sessions
• Inspect attachment points and trimmer line regularly
• Store in a dry place to prevent corrosion and wear

Who is this for: The BLACK+DECKER MTD100 removable mower deck is for homeowners who already own a compatible 12" BLACK+DECKER trimmer and want a quick, affordable way to add a mowing option for small yards, steep inclines, patio strips, or landscaped areas. It suits renters, apartment dwellers with small lawns, or anyone who prefers a compact, multi-use yard tool instead of a full-size mower. If you need a detachable, easy-to-store mower solution that leverages your existing trimmer, the MTD100 is designed to deliver that functionality without replacing your current equipment.