This Yamaha Stage Custom Birch mounted tom features a staggered diagonal seam shell that has allowed Yamaha to build thin drum shells that start round and stay round. Low-mass lugs lets the shell vibrate for superb tone and sustain. Yamaha s Air Seal System used for drum shell construction ensures every Yamaha drum shell is of uniform thickness and is perfectly round to achieve superior tone quality and durability. Features a beautiful high-gloss lacquer finish.