Plastic Patches NPdrums There are 2 products.

Plastic Drumhead Model

•  Hydraulic Line Black
•  Imperium
•  Transparent

Patch Measures

•  10" 25.4 cm Timbale
•  12" 30.5 cm Timbale
•  13" 33.0 cm Timbale
•  14" 35.6 cm Timbale
•  15" 38.1 cm Timbale
•  16" 40.6 cm Timbale
•  18" 45.7 cm Timbale

Thickness of patch

•  250 microns
•  354 microns