Mid America Building Products – 3″ VINYL SHUTTER-LOK SPIKES “Wineberry 078” Depending how each monitor is adjusted, colors can appear different than actual color. Shades of “red” vary – see photo above!! (60) PIECES + (5) FREE Use (4) spikes per shutter up to 43″ Use (6) spikes per shutter for 44″ and over Drill 1/4″ hole thru shutter and into wall deep enough to accept full length of Shutter-Lok. Gently tap Shutter-Lok thru shutter and into hole. Do not over tighten shutter to wall. Shutters will expand/contract with weather changes.