Polypropylene Shims

$8.25 ~~$16.5~~ In stock

Polypropylene shims are a versatile workshop accessory designed for precise leveling, aligning, and spacing applications. Made from durable polypropylene, these shims offer reliable performance for a variety of household and professional tasks.

Constructed from polypropylene for strength and resistance to moisture
Ideal for leveling furniture, appliances, and workpieces
Useful for adjusting gaps and aligning components during assembly
Available in multiple sizes to suit different spacing needs
Reusable and easy to trim for custom fit

Customer Reviews (4.7 / 5 · 14 reviews)

Steven C. ★★★★★ Aug 13, 2026

Finally got my workbench perfectly level after months of fighting with folded cardboard. These shims are rigid enough to hold their position but I could trim them down with a utility knife without any cracking.

Timothy ★★★★★ Aug 12, 2026

The polypropylene material feels sturdy without being brittle, and it cuts cleanly with a utility knife for custom thickness. I've used them for leveling cabinets and spacing trim, and they hold their shape under pressure without slipping. Exactly what I needed for precise adjustments around the hou

Evelyn R. ★★★★★ Aug 11, 2026

I was using these to level a workbench and the polypropylene held up way better than the wooden ones I’ve broken before—no splitting under pressure. They’re thin enough to slide into tight gaps, which saved me a lot of fiddling. Exactly what a spacer should be.