For medium duty rust protection.<br /><br />TECHNICAL DATA:<br />Shank Dia. mm: 4<br />Approx. Pcs Per 1kg: 135<br />Corrosion Rating 2 - Occasionally damp/wet, rural and sheltered areas<br />Substrates: Wood<br />Length mm: 40<br />Size mm: 40 x 4.00<br />Weight kg: 1<br />Type: Presser Point Staple">