The CX-EPD1299L Series Grade 1 RIM Strike with Preload offers 'Universal' design that delivers unsurpassed application flexibility, with a UL security listing and free latch monitoring. The patented design of this new 1/2" RIM strike enables it to operate with up to 15 pounds of preload pressure for superior performance under the most demanding conditions. This industry-leading strike design is registered under U.S. Patent 10,988,959. For added flexibility, 1/8" and 1/4" spacer plates are included with the strike, as well as a convenient metal mounting jig.