GD52121 Diecast inside handle is diecast zinc with set screw, used when locking cylinder is mounted separately. You may wish to stock this related part: GD-52119, GD-152139, GD-52199. Features: -T handle. -Color: Zinc. -Material: Diecast. -0.31" Square, 3" long shaft. -Dimensions: 11.5" H x 4.81" W x 1.13" D.