The TR series are Tamper Resistant receptacle angled power strips and come in sizes from 9 inch to 72 inch with 4 colors available. Check your electrical code. Some areas require them. The receptacles are duplex Decora style in Black, White or Gray. They will have 1, 2, 3, or 4 sets of duplex receptacles depending on length. The 9" & 12" have 1 set, 18" / 36" have 2 sets,  42" / 48" have 3 sets and the 60" / 72" have 4 sets. Only standards are available on-line.  This product is UL Listed.