10cm   -  Quantity: 50pcs   -  Replacement Cost: $3.12   -  Rental Cost: $2.00

15cm   -  Quantity: 50pcs   -  Replacement Cost: $3.56   -  Rental Cost: $4.00

20cm   -  Quantity:  50pcs   -  Replacement Cost: $3.85   -  Rental Cost: $6.00