Quickly level cabinets, doors, and windows without unfastening existing mounting fasteners or stacking multiple flat shims. Just wedge these shims into gaps until you reach your desired level. All are made of plastic to resist moisture and prevent rot.

Snap these shims together and they’ll stay securely stacked to maintain alignment. Best for filling large gaps, they're commonly used to align cabinets, doors, and windows. Slip them around existing mounting fasteners without unfastening them. To reduce sizing errors, these shims are color coded by thickness to quickly spot and grab the right size every time. All are made of plastic to resist moisture and prevent rot.

Sized to fill wide gaps, use these shims straight out of the box or cut to your exact needs with a utility knife to align cabinets, doors, and windows. Each shim is color coded by thickness to quickly spot and grab the right size, saving time and reducing sizing errors. All are made of plastic to resist moisture and prevent rot. Their textured surface keeps them from sliding apart when stacked.

Eliminate swapping out shims of varying lengths—break off the scored sections for the length you need. Best for filling large gaps, these shims are commonly used to align cabinets, doors, and windows. Slip them around existing mounting fasteners without unfastening them. All are made of plastic to resist moisture and prevent rot.

Make size adjustments easy with these scored shims—just break off pieces for a custom fit around fasteners or corners. Designed to fill wide gaps, they’re best for aligning cabinets, doors, and windows. All are made of plastic to resist moisture and prevent rot.