Seco-Larm Enforcer Electric Door Strike for Metal Doors, 24VDC (SD-995C24) Easily programmable in the field for fail-safe or fail-secure applications Electric door strike installs on any left- or right-hand metal door for flexible setup Stainless steel security device withstands 2000 pounds of force Dimensions: 4 7/8" x 1 1/4" x 1 1/4" (124mm x 32mm x 32mm) Warranty: 1 year, limited