Shouldered Titanium Abutments 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. Lot of 10 Abutments. 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. From 4 available sizes you can choose any 10 abutments you want.