Synthetic underlayment.(x20 rolls) Easy to install in freezing or extremely hot conditions (-40° C to 121° C) 87M in length 42" width (Pick up only) Prime Roofing coil nails. (x10 Boxes) selling 10 Boxes of 1¼" Roofing coil nails. They are .120 gauge. QTY: 7200 per box. (pickup only)