Heavy duty flat wire 140 galvanised staples for staple guns. Compatible with all major brands of heavy duty staplers and hammer tackers. Compatible with Silverline, Stanley, Arrow and Rapid hand tackers that utilise the 140 type staple. Equivalent to Tacwise 140, Arrow T50 and Stanley G11 staples. Specifications: 20ga (10.55±0.1) x (1.26±0.02) x (0.49±0.01) 0.88mm wire.