Shouldered Titanium Abutment for Dental Implants with Internal Hex. There are 4 gingiva heights : 1 mm, 2 mm, 3 mm and 4 mm. Prefabricated chamfer ensures perfect fit for casted copings. All the abutments come with fixation titanium screw. Compatible with all dental implants with internal hex and regular prosthetic platform – 3.75 – 3.80 mm.