.5mm is finer by .20mm. 7mm is the thicker point.
ball-point pen: sphere
Cylinder
The 7mm mag has mare pressure that a 270 win.
1cm = 10mm Therefore 1cm is larger than 7mm
because it can be rubbed out you nogging
.32mm Anything which is 0.00 is going to be smaller than 1mm.
A mouse can get through a hole the size of a ball point pen (7mm) . A shrew is smaller so can probably get through a hole of 4-7mm. I think small rodents can compress their skulls to squeeze through amazingly small gaps.
.5mm is finer than .7 mm
3mm
ball-point pen: sphere
Ball point pen is called ball pen in India
For ball-point pens, the tip of the pen is actually made of a ball bearing, and so the tip of the ball-point pen would be a point until it is worn or not manufactured properly, in which case it might be abit flattened.
The quill pen, the fountain pen and then the ball point pen.
Tagalog translation of BALL-POINT PEN: pluma
A ball point pen point is made of a small metal ball.
The first ball point pen was made by Laszlo Biro.
A ball point pen has about a kilometre of ink in it, or it did when my mum was alive anyway...