J-Block® Square Mounting Block Mounting Surface. 5″ x 6″ Trim Ring Dimensions. 7-1/4″ x 8-1/8″ J-Channel I .D. 1/2″ adjusts to 1-1/4″ Knockouts: Round: 4″ Diameter. Rectangle: 2-3/8″ x 3-3/4″
Ply Gem UNIBL0CK PC Clay Mounting Block
Original price was: $76.70.$50.32Current price is: $50.32.
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