Material:The sets table leaf hardware use high quality Zinc Alloy, table leaf latch surface brass plated, long time for used. Functions: Table leaf aligners is ideal part for home table replace part. Perfect for table leaves and sectionals joining. These high quality solid metal table alignment pins work great with restoration projects on old tables or on new woodworking projects. Dimentions: Pins Approx. 23 mm * 8 mm/0.9" * 0.3"; Sleeve Approx. 15 mm * 8 mm/0.6" * 0.3". Package include: 15 x Table Leaf Aligner. Applications: Use these metal dowels to replace old, broken plastic/wood ones on a two leaf dinner table, will leave you with a nicely functioning table. Or used for new table projects for an all-natural look and beautifully level table surface. Installation: Very quick and easy installation, simply remove the damaged pins, and tap these in place with your hammer.