• These are about 1-7/16″ (37mm) tall and 1-1/16″ (28mm) wide.
• 6.5mm insertion gap.
• These weigh about 21 grams each.
• All keystone weights are sold by the pair.
• The inner diameter is 1/2″ (12.5mm)
• You must be at least 9/16″ (14mm) or larger to be able to insert these.
• All edges are nicely rounded for comfort and extreme care has been taken during the carving process.