Mascot Hardware USA LLC provides a wide variety of cabinet hardware. Each knob is handmade and polished to perfection. You can feel difference the moment you hold the piece in your hand. We provide comfortable projection on knobs and large centers. The Simple designs also give a bit of contemporary edge. The screw can be adjusted according to the thickness of the drawer. Knobs can be use in door, drawer, cabinet, dresser, wardrobe and cupboard. How to Install: You can install it by drill a hole in drawer and tighten the nuts. Our knobs are easy to affix and no additional hardware is required, any excess screw can be cut to size to give a neat finish. All hardware is included with knobs.