DIMENSIONS: 8.58 inches L x 5.24 inches W x 5.24 inches HACCURACY: Features reference marks for making precise adjustmentsEASE OF USE: Precision machined with a large 4-post drive knob to easily push the sight and can be used to install, uninstall or adjust front and rear dovetail sightsVERSATILITY: Works on all semi-auto pistols and the sight prong is reversible to accommodate Glock slidesRELIABLE: Fully captures and supports slide so it will not break or deformDURABLE: Constructed of an aluminum frame with steel componentsGUARANTEED: This product is covered by a limited lifetime warranty provided by Wheeler. Please contact Wheeler customer service for assistance