Adjustable template with columns and rows of apertures - has housing part and compartments used to determine winning numbers of bingo game

摘要

The template has a housing part provided with compartments of dia. 3.1 plus or minus 0.05 mm. The cover is made of transparent clear plastics or plexiglass. The dimensions of the hole centres are 6 x 4.2 + 0.01 mm plus 1 x compartment dia. 3.1 + 0.05mm. The dimension 28.3 + 0.1 mm and the dimensions of the hole centres 6 x 3.85 + 0.1 mm plus 1 x compartment dia. 3.1 + 0.05mm, the dimension 26.2 + 0.01 mm. A precise overlapping is obtained.