FITS BIG ROLL: Max length of paper roll is 4.92-inch. Holds even jumbo-sized rolls of toilet tissue. Large stainless steel knob at the bar end prevents toilet paper roll from falling off. TWO INSTALLATION OPTIONS: You can choose vertical or horizontal(right or left) installations according to your need. RUSTPROOF: The paper holder (bracket and screws included) is constructed from high quality SUS 304 Stainless Steel to protect against corrosion rust. Ideal for humid environments such as bathroom and kitchen. ROTATE PROOF: Our toilet paper holder has unique slot design with screw tightening on the bracket to prevent from rotation. NO wobbling nor dropping off Just enjoy this sturdy and heavy duty design. EASY INSTALLATION: ONE piece, NO assembly required. Install either on walls or even under cabinet. Package comes with mounting screws, anchors, allen tool and bracket. Use included fixing screws to mount holder securely. Screw mounting can be applied to all the smooth walls including but not limited to tile walls, painted walls and marble walls.