Staples come in various lengths and the best way to calculate your needs is to multiply the thickness of your material and multiply x 3.
In this case a 8mm staple would suit items that just over 2.3mm thick
From: £ 4.57
From: £ 5.37
From: £ 5.59
From: £ 6.50
From: £ 9.03
From: £ 10.01
From: £ 10.38
From: £ 11.25
