Promotional 20cm Optical Crystal Golf Ball in the Hole Award The Hole award has a circle cut and polished all of the way through the optical crystal rectangle, a 4cm optic golf ball is then mounted in the hole. There is a large engraving area on the top part of the rectangle that can be personalised with any club crest, logo or wording to create a gift that is sure to take pride of place when put on display. It is supplied in a black foam lined presentation box.