The dw rail style bass drum mount part of the 7000 series is a sleek vintage addition to remove the necessity of a tom stand. Made from durable steel to the ever legendary dw standards this bass drum mount can hold your rack tom with ease and sophistication. Attaching to the bass drum via the mounting brackets adjustable from 3 to 4 this allows for set up consistency offers reliability and a produces a professional appearance. The clamps are also felt covered protecting your shell and finish from any metal damage.able to move the arm along the banana style rail and then adjust on a standard 12.7mm l rod you can lock in all your adjustments with the memory clamps guaranteeing 100% repeatable and precise set ups every time. Removing the gig bag weight of a tom stand through this one addition is a great bonus for the gigging drummer. Crafted in the usa you can be assured that the high quality and superb standards at dw maintain here. Please consult a professional before attempting to drill your bass drum.