Slingshot clip 75, how big is the round head?

Diameter ranges from1.5mm to 2.0mm. ..

The diameter of the round-headed rubber band used in the slingshot clip 75 ranges from 1.5 mm to 2.0 mm, and the slingshot clip 75 is suitable for the round-headed rubber band with a diameter between 1.5 mm and 2.0 mm. The aiming principle of the slingshot is based on the principle of three points and one line, and the aiming point of the round head of the slingshot will change with the size of the slingshot bow door.