Staple
From Amazon
Rapid High-Performance Staples for Insulation, Thin Plastics, Cardboard and Carpets Flatwire No. 140, Leg Length 14mm, Staple Gun Staples, Galvanised Steel, 650 Pieces, Narrow Blister (40109517)
Rapid Online
Rapid 40109517 140/14NB 14mm Galvanised Staples Narrow Box 650