Our Cupboard Knobs range is quite extensive spanning many traditional & classic eras of design as well as contemporary & cross-over ones too. Available in timeless finishes and many on-trend & unique ones alike. For retrofitting; make sure the backplate of the knob is equal to or greater than your existing knobs. Sizes vary from as small as 13mm diameter all the way up to 110mm. Generally, anywhere from 25mm to 50mm knobs will fit nicely on most cupboards & drawers. Cupboard knobs are usually paired with Cabinet Pull Handles or Cup Pull Handles. You may be looking for Cupboard 'T' Knob Pulls or Door Knob Handles instead. You may also be interested in Drop Handles, Traditional Cabinet Handles, Cabinet Hinges, Cupboard Locks, Latches & Miscellaneous.