"DESCRIPTION Features: Heavy-duty narrow crown staples are convenient and reliable. Used for heavy-duty stapling jobs such as insulation carpet underlayment, and roofing felt, these staples come in sturdy plastic packaging to helps reduce breakage of the stick. With color-coded packaging, you can easily choose the correct brads for the project you are working on. Heavy Duty – Narrow Crown – fits TR100, TR200, TRE500 series, PHT150, PHT250 and Arrow® T-50 For heavy duty stapling jobs such as insulation, carpet under laying and roofing felt Colour-coded packaging makes size and product selection a cinch Sturdy plastic packaging reduces staple breakage Technical Specifications: Pack Qty 1000 Inclusions: 1 x Stanley Staples Heavy Duty 14mm 1000PK - TRA709T REVIEWS"