35 mm / Inner width 36 mm x Inner height 8 mm / 10pcs $ 60
40 mm / Inner width 41 mm x Inner height 9 mm / 10pcs $ 66
45 mm / Inner width 46 mm x Inner height 9 mm / 10pcs $ 72

This is a quality solid brass belt keeper loop.
They can stop moving the end of the belt. Also, looks really cool.
This loop is made by casting by skilled Japanese craftsmen.
 
Material / Solid brass
 
Color / Raw brass, Nickel, Matte silver, Matte black
 
Weight / 29 ~ 30g ( 1pcs )