These Sterling Silver Head Pins Come In 3 Variations.
 
A. Approx. Size: 26 AWG - 0.4mm x 25mm 
Hardness of Pin: Soft
Size of Ball Head: 1.5mm
Quantity:  10pcs per pack
Weight:  Approx. 0.62g per pack
 
B. Approx. Size: 24 AWG - 0.6mm x 20mm 
Hardness of Pin: Hard
Size of Ball Head: 2mm
Quantity:  10pcs per pack
Weight:  Approx. 1.06g per pack
 
C. Approx. Size: 24 AWG - 0.6mm x 20.5mm 
Hardness of Pin: Half Hard
Size of Ball Head: 2mm
Quantity:  10pcs per pack
Weight:  Approx. 1.19g per pack