Includes (12) Strips Each Tack Strip is Individually Covered With Plastic Sleeve Each Strip is 27" Inches Long and Contains 18 Prong Design Ideal for Sofas, Loveseats, Chairs and Other Upholstered Furniture Premium tack strips feature plastic insulated sleeves which reduce creaking and other related noise. Strips are 27" in length x 7/16" width. Ideal for hand-assembled furniture, commercial grade upholstered furniture and top end upholstered furniture. Shipped bulk in boxes.