Item Name	Item #	A	Weight per 100	Length	Hole Spacing on Center	Hole Size	Hole Spacing from End	Superstrut	B-Line	Unistrut
Two Hole “Z” Bus Duct Collection #GZF220-1	GZF220-1	2 5/32 inch	62 lbs.	3 1/2 inch	1 7/8 inch	9/16 inch	13/16 inch	–	B387	–
Two Hole “Z” Bus Duct Collection #GZF220-2	GZF220-2	3 17/32 inch	78 lbs.	3 1/2 inch	1 7/8 inch	9/16 inch	13/16 inch	–	B387-1	–
Two Hole “Z” Bus Duct Collection #GZF220-3	GZF220-3	4 1/2 inch	89 lbs.	3 1/2 inch	1 7/8 inch	9/16 inch	13/16 inch	–	B387-2	–