The sizes refer to the diameter of the drawing pin head.
The pin length is approximately 9mm long on all sizes of drawing pins.
The size tolerance on all pin sizes is +/- 0.5mm
They are sold in a neat re-usable plastic case with lid.
9.5mm (x75) ~ This is a standard small 3/8" head drawing pin made of brass plated mild steel.
11mm (x75) ~ This is a standard medium 7/16" head drawing pin made of brass plated mild steel.
13mm (x40) ~ This is a standard large 1/2" head drawing pin made of brass plated mild steel.
12.5mm (x50) ~ This is a strong brass plated steel pin with a serrated knurled pointed pin. This gives it a good grip into the the surface it is pressed in and makes it harder to come back out without the use of a tool. This is an ideal upholstery pin and will withstand being hit with a hammer.
13mm (x30) ~ This is a premium quality pin with a solid brass head and steel pin. It will withstand being hit with a hammer and is ideal in all environments because it will not rust.
14mm (x30) ~ Another premium quality pin made from brass plated steel with an extra large head. This pin will also withstand being hit with a hammer and is ideal for holding more heavyweight items with its large surface grip.
Please visit my shop for a wide selection of other pins and clips.
