Furos Venezianas

Furo 4,7 mm x 6,7 mm – F 1,3 mm 
c 7,0 mm – C 10,0 mm – P 45%

Furo 7,0 mm x 14,0 mm – F 2,0 mm 
c 9,5 mm – C 21,0 mm – P 49%