This document describes various surgical instruments used in procedures to remove kidney stones (nephrolithotomy), ureter stones (ureterolithotomy), and pelvis stones (pyelolithotomy). It lists the instruments in the tray, including forceps, retractors, scissors, and drainage tubes. Descriptions of key instruments are provided, such as Randall's renal calculus forceps for grasping stones, Gil-Vernet's retractor for accessing the renal pelvis, and Coryllos-Bethune rib shears for opening the chest cavity.