Slotted stamped steel Santa Fe with Rays Conchos item # 7451-09 is a ten pack package.   They measure 1" (2.5 cm) long and are antique brass plated.  Thank you for looking. 

Dimensions:

Length 1"     (2.5 cm)

Height  7/8" (2.2 cm)

Slots 1/8"    (3.2 mm)