FITS ANY STANDARD PEGBOARD - Great for metal and non-metal pegboards. Fits Wall Control pegboards, Triton pegboards, and all other standard sized pegboards (1/4 or 3/16 inch hole diameter including 1/8 inch nominal hole diameter on pegboards that are 1/4 inch thick or less). Does not fit grid wall..SQUARE STYLE BASKETS HOLD MORE - Each pegboard basket can hold up to 30lbs and are larger than other similar baskets and bins..BETTER ORGANIZATION - Store your tools within your reach, on the wall where you can easily find them. These baskets can store more than tools, try them in the tool shed, basement, garage, craft room, laundry room, or wherever you need a little more sanity in your life..QUICK AND EASY TO INSTALL - Also great for temporary or traveling retail displays..INSIDE AND OUTSIDE BASKET DIMENSIONS (LxWxH) - Inside basket dimensions are 13”x7”x4”(Extra Large Basket), 12”x6”x3.5”(Large Basket), 11”x5”x3”(Medium Basket), 10”x4”x2.5"(Small Basket). Outside basket dimensions are 13.5”x7.5”x4.5” (Extra Large Basket), 12.5”x6.5”x4” (Large Basket), 11.5”x5.5”x3.75”(Medium Basket), 10.5”x4.5”x3”(Small Basket).