Solid stainless-steel construction, 24 in. length for you to enjoy rainfall shower. US and Canada output 1/2-thread compliant with most shower head and 1/2 in. NPT connector into the wall. 0.98 in. by 0.98 in. round shower arm, 24 in. projection from wall space, 90° down outlet joint. Maximum works with 16 in. overhead shower package includes 1x straight shower arm, 1x round flange. Easy to install without professional plumber. Max flow rate is 10 GPM.