18" x 4" Carbon Steel Short Shank Pool Trowel 6 Rivets w/Short Shank. This trowel has a short shank aluminum mount attached to an 18" carbon steel blade with 6 rivets to create a wider range of blade motion and control. 18" short shank carbon steel pool trowel has rounded edges, measures 18 inches long by 4 inches wide with wooden curved camel back handle.