This is Knobbles and Bobbles' resin terrazzo style knob in a hexagon shape.
The diameter of this knob is 40mm max and it will protrude from your furniture by 25mm. The bolt length is at least 30mm long. Current stock (June 22) bolt length is 40mm - but later batches may well be shorter, please check with me!
Please contact us with any questions. Lucy@knobblesandbobbles.com.