18 ga./17 ga. staples are the fastening worlds go-to backbone for many industries' fastening reliance. They shine at delivering needed holding power and drivability in denser woods & man made materials. Omer's broad selection of medium wire staples, are mated perfectly to any or all popular tool brand...s. Omer medium wire staples find that Sweet-Spot of strength and consistent reliability ~ while not overstepping into heftier over-kill wire types. Extra shear strength and time proven reliability are in the wheelhouse of these famous staple varieties.