use to attach stuff when camping, not intended for supporting human weight, 2" diameter, made of 7/64 amsteel, blue, 10 shackles for $25 shipped conus. or $2.50 each plus $1 shipping. also i have an adjustable ridgeline, 84" to 129 " with 1 soft shackle to attach adjustable end to hammock, larks head fixed end, this is a whoopie sling made for structural ridge line use. soft shackle available in grey, blue or green for ridge line only. $10 shipped. I have surplus amsteel in blue to use up from a previous project.