Handi-Shim Heavy Duty Reusable Plastic Construction Shims for Spacing, Leveling, Plumbing and more - 100 Piece Assorted Pack (4 sizes) Reusable Handi-Shims are a revolutionary way of shimming, spacing, plumbing and leveling. They are available in four sizes; 1/32" (green), 1/16" (red), 1/8" (white), and 1/4" (blue). Reusable Handi-Shims are made in attached couples for deep applications but are each scored to snap into as many as three smaller spacers (six per couple), making them extremely economical. They cost approximately 20% less, on average, per unit! Ideal for plumbers, electricians, masons, carpenters, cabinet makers, roofers, tilers, drywall hangers, HVAC contractors, steel fabricators, landscapers, and DIYers. Handi-Shims are compression-resistant and thus ideal for long-term stability and for spacing wall tiles to any height. Handi-Shims do not rot. They are reusable and virtually indestructible. They can be used on job after job after job. Handi-Shims are made using non-toxic polypropylene (plastic).