Composite shims and leveling wedges (50pcs, 3.15″), plastic shims wedges for furniture appliances, diy furniture levelers, easy to snap door shims, table leveler, window shims, toilet shims. Plastic Leveling Wedges (50pcs, 3.15″) – DIY Furniture Shims & Appliance Levelers, Easy to Snap Door & Table Wedges.