Item Name	Item #	Hole Spacing on Center	Width	Thickness	Hole Spacing from End	Hole Diameter	Weight per 100	Superstrut	B-Line	Unistrut
Square Washers Flat & No Twist #GFP100-3/4	GFP100-3/4	1/4 inch	1 5/8 inch	1 5/8 inch	1 5/8 inch	15 lbs.	13/16 inch	AB241-3/4	B202-2	P2471
Square Washers Flat & No Twist #GFP100-5/16	GFP100-5/16	1 5/8 inch	1 5/8 inch	1/4 inch	1 5/8 inch	3/8 inch	18 lbs.	AB241-5/16	B200	P1062
Square Washers Flat & No Twist #GFP100-3/8	GFP100-3/8	1 5/8 inch	1 5/8 inch	1/4 inch	1 5/8 inch	7/16 inch	18 lbs.	AB241-3/8	B201	P1063
Square Washers Flat & No Twist #GFP100-1/2	GFP100-1/2	1 5/8 inch	1 5/8 inch	1/4 inch	1 5/8 inch	9/16 inch	17 lbs.	AB241-1/2	B202	P1064
Square Washers Flat & No Twist #GFP100-5/8	GFP100-5/8	1 5/8 inch	1/4 inch	1 5/8 inch	1 5/8 inch	11/16 inch	16 lbs.	AB241-5/8	B202-1	P1964
Square Washers Flat & No Twist #GFP100-1/4	GFP100-1/4	1 5/8 inch	1 5/8 inch	1/4 inch	1 5/8 inch	5/16 inch	19 lbs.	AB241-1/4	–	–