Prime-Line Products FA 2740 Block & Tackle Channel Balance, 9/16 in. x 5/8 in. x 28 in.
Brand: PRIME-LINE
This block & tackle channel balance used to counter-weight the moving sash on single and double hung windows
9/16 in. x 5/8 in. x 28 in.
Must select top and bottom guide shoes separately
Constructed of steel, plastic and other materials