It includes 6 Sizes (14pcs) 14 pcs Plugs 3 PCS Fit Hole:3/4"~7/8"（19mm~22mm；3 PCS Fit Hole: 7/ 8"~1"（22mm~25mm） 2 PCS Fit Hole:1"~1-1/8"（25mm~28mm）；2 PCS Fit Hole:1-1/8"~1-1/4"（28mm~31mm） 2 PCS Fit Hole:1-1/4"~1-3/8"（31mm~34mm）；2 PCS Fit Hole:1-3/8"~1-1/2"（34mm~38mm） Replacement Rubber Expansion Plug/Rubber Freeze Plug/ Exhaust Pressure Test Plug Dsnaduo 6 Sizes (14pcs) Neoprene Rubber Expansion Plug 3/4" 7/8" 1" 1-1/8" 1-1/4" 1-3/8", Automotive Rubber Freeze Frost Plug Fit Hole Size: 3/4"~1-1/2" (19mm~38mm)