Camco Universal Vent Installation Kit with Putty Tape- Use to Replace or Install Roof Vents, Side Mount Vents Plumbing Stacks and Refrigerator Vents (25003) Kit comes complete with screws and instructions Replace or install roof vents, side mount vents plumbing stacks and refrigerator vents Includes grey putty tape for aluminum or other metal roofs Screws: 24 #8 x 1" slotted hex head screws and 4 #6 x 1/2" Phillips head screws included