Carabiner Clasps

Lozenge, small: Outside measurements are 14mm x 8.3mm. 

Lozenge, large: Outside measurements are 19mm x 12.5mm x 3.9mm. Inside is 10.1mm x 7.8mm. Hole will accommodate a 12g ring. 

Both of the heavy clasps are vintage so they're gone when they're gone.