While They Last get these life like Wildlife Head Faux Ivory knobs. They are made of hard poly resins. Average size 1 1/2" wide Elephant is 3" wide. Average projection 1-1/2" to 1 3/4"

Comes with a 1" 8-32 machine screws. For 3/4" wood use 1" screw. Two views of same item-you are buying (1) Rhino, (1) Elephant, (1) Lion Head and (1) Leapord Head Knob.