Product name: kwb Wood Wedges for Parquet Installation 982310. Parquet or laminate installation wedges made of beech, designed to maintain the correct distance from the wall during parquet or laminate flooring installation. The gap should be between 8 to 10 mm from the wall to allow the flooring to expand naturally according to room humidity and temperature, preventing any floor damage. Package contents: 8 thick wedges approximately 33 x 57 mm, tapered from about 15 to 10 mm; 6 thin wedges approximately 33 x 57 mm, tapered from about 10 to 5 mm; 6 thin wedges approximately 33 x 57 mm, tapered from about 10 to 3 mm.