Flat round piece of natural calfskin.Thin = approximately 0.01 of an inch or 3-4 sheets of printer paperMedium = approximately 0.015 of an inch or 4-5 sheets of printer paperThick = approximately 0...
Flat round piece of natural calfskin.Thin = approximately 0.01 of an inch or 3-4 sheets of printer paperMedium = approximately 0.015 of an inch or 4-5 sheets of printer paperThick = approximately 0...