Halex Poplar 7/8 in. x 4 ft. Carpet Tack Strip for Wood or Concrete Subfloors (3-Pack) HD-161-P-8 - The Home Depot
UpholsterySupplyOnline.com / Del Kern Upholstery Supply > Tack Strips , Metal Tack Strips , Chip Boards > Metal Tack Strip 27" Price Per Each
Retro Solid Pure Brass Tacks as Antique Upholstery Nails for Furniture, Decorative Push Pins for Wood,Carpet Tacks,Hardware Tacks,Cap Nails,Thumb Tacks,Brass Fasteners(7/10",18mm Black Color,10 Pcs) - Amazon.com
New old stock: 10 grams of steel cut tacks – shopjunket