BUSCH PRECISION T-Slotted Angles feature 1” T-slots on 6” centers providing great flexibility in holding heavy parts in a vertical plane. These angles can be customized with special T-slots and/or tapped holes. Stock #3972 is precision ground on the vertical face and is square to the base within 0.0002” in 12”. The larger 96” angle has a planer finish with an accuracy of 0.0002” in 12”. Both angles are furnished with two heavy-duty swivel hoist rings for controlled handling.