Arrow Staples JT21 T27 8mm (5/16") (Box of 1000) Upholstery Stapler Heavy Duty | eBay
Vintage Arrow Staples J T- 21 AND J T - 21 C 1/4" - 6.35 MM total Staples 5000 | eBay
Arrow 21MP1 JT21 Thin Wire Staples Multipack for Staple Guns and Staplers, Use for Upholstery, Crafts,General Repairs, Includes 1/4-Inch, 5/16-Inch, and 3/8-Inch Sizes, 1875-Pack,(Packaging May Vary) : Amazon.co.uk: Stationery & Office Supplies