Tama HT130 Standard ThroneThe Tama HT130 Standard Throne features an upgraded height adjustment mechanism on the HT130 standard throne by increasing the surface area of the pipe gripping clamp. Furthermore, Tama replaced the conventional knob style bolt with an ergonomically designed wing bolt, offering optimal torque. Double braced legs deliver maximum stability, and 3 1 2" of seat padding sets a new standard for comfort.