Perfect for providing passive protection in pin scars, flaring cracks, and other awkward placements, the Black Diamond Offset Micro Stopper Set includes sizes ranging from #1 to #6 and comes with a Black Diamond OvalWire carabiner. Great for hard aid climbs and todays modern trad routes. Copper/iron construction for the perfect blend of purchase and strength. Head piece is forged onto the cable for exceptional durability. Sizes #1 and #2 are for aid only. Black Diamond OvalWire carabiner included.