2 Hole flange pins. Brand new never used. Aluminum pins with replaceable stainless steel threads. Nut side is knurled for easy tightening. Never worry about rust or corrosion Super light weight, Perfect for those who carry pins around in their pocket all day. Non-marking for critical pipe jobs. These will fit flanges with up to 1 1/2 bolt holes and 3" thick.Each purchase is for 2 pins ( 1 set) just as pictured