[What's in the Box] Each box contains 5,000 counts 3/8" length galvanized JT21 staples, 20 boxes per case. 22 gauge 7/16" (11.2 mm) crown 3/8" length fine wire staples for JT21 staple gun. (Extra tape on the outside of the package to reduce the possibility of it falling apart in transit.) [Galvanized JT21 Staples] These galvanized JT21 staple gun staples with resistance to rust and corrosion, making them ideal for use in a wide range of environments. You can rely on their performance [JT21 Staple Gun Staples] Compatible with the all brands JT21 staple gun. For example: TT21, JT21CM, JT27, TR45, T27, etc. These JT21 staples are equivalent to Type 53 series staples [Durable Upholstery Staples Refill] Made of high quality galvanized steel. Flat wire light duty staples with sharp chisel points for easy penetration and strong fixing power, smooth and jam-free operation in your JT21 staple gun. Ensure your projects are completed efficiently [Wide Appications] These staples ensuring secure and durable connections in your applications. Ideal for use on sofa fabrics, carpet, leather/textile, car seating, joinery and upholstery, many other medium-strength materials and some other light duty upholstery materials. Able to meet your binding needs in furniture making, interior decoration and other DIY projects [What's in the Box] Each box contains 5,000 counts 3/8" length galvanized JT21 staples, 20 boxes per case. 22 gauge 7/16" (11.2 mm) crown 3/8" length fine wire staples for JT21 staple gun. (Extra tape on the outside of the package to reduce the possibility of it falling apart in transit.)[Galvanized JT21 Staples] These galvanized JT21 staple gun staples with resistance to rust and corrosion, making them ideal for use in a wide range of environments. You can rely on their performance[JT21 Staple Gun Staples] Compatible with the all brands JT21 staple gun. For example: TT21, JT21CM, JT27, TR45, T27, etc. These JT21 staples are equivalent to Type 53 series staples[Durable Upholstery Staples Refill] Made of high quality galvanized steel. Flat wire light duty staples with sharp chisel points for easy penetration and strong fixing power, smooth and jam-free operation in your JT21 staple gun. Ensure your projects are completed efficiently[Wide Appications] These staples ensuring secure and durable connections in your applications. Ideal for use on sofa fabrics, carpet, leather/textile, car seating, joinery and upholstery, many other medium-strength materials and some other light duty upholstery materials. Able to meet your binding needs in furniture making, interior decoration and other DIY projects