The Sokkia AP32 Triple Prism Mount 726133 offers versatility. Although it is primarily a triple prism mount, an additional center hole can be used for single prisms. This provides flexibility to adapt to different site requirements. Its bayonet base has 5/8 - 11 threading. The mount also has tilting knobs and a peep sight to help in aiming the prisms to total stations.
This triple prism mount is hard durable plastic and comes with a 1 year limited warranty.