The Rockwood 130-RKW Cast Door Pull has a Concealed Mounting, has a 5 1/2" Center to Center, is 7 1/2" Overall, with a 2 1/4" Projection, 1 1/2" Clearance, has a 2" Base, is for use with 1 3/4" Thick Doors. The 130-RKW Door Pull Fastener: 1/4 -20 x 2-1/4" Thru Bolt & Finish Washer Standard For 1 3/4" Thick Doors.