| How to read the measurements:  
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                     | Product (Click below)
 | Wheel Dia. | Wheel Type | Stem Length | Mounting Screw Plate | Raises Furniture |  
                     | C-1 | 3/4" | Brass | 1 1/2" | none | 1" |  
                     | C-1PW | 3/4" | Porcelain | 1 1/2" | none | 1" |  
                     | C-1A | 1" | Brass | 1" | 1" Diameter | 1 3/4" |  
                     | C-1AP | 1" | Porcelain | 1" | 1" Diameter | 1 3/4" |  
                     | C-1C | 1 3/8" | Brass | 1" | 1" Diameter | 2" |  
                     | C-1CPW | 1 3/8" | Porcelain | 1" | 1" Diameter | 2" |  
                     | C-4 | 1 1/8" | Wood | 1 5/8" | none | 1 1/2" |  
                     | C-4A | 1 5/8" | Wood | 1 5/8" | none | 1 3/4" |  
                     | C-12T | 2 1/2" | Rubber | 1 1/2" | none | 2 1/2" |  
                     |  |  | Inside cup base measurement | Cup Opening | Inside Cup Height |  |  
                     | C-2A | 3/4" | 1/2" | 3/4" Square | 3/4" | 1" |  
                     | C-2B | 1" | 5/8" | 1" Square | 1" | 1 1/4" |  
                     | C-2C | 1 1/4" | 3/4" | 1 1/4" Square | 1 1/4" | 1 1/2" |  
                     | C-2D | 1 5/8" | 1 1/2" | 2 1/8" Square | 2" | 2 1/4" |  
                     | C-3A | 3/4" | 1/2" | 3/4" Diameter | 3/4" | 1" |  
                     | C-3B | 1" | 11/16" | 1" Diameter | 1" | 1 1/4" |  
                     | C-3C | 1 1/4" | 1 1/16" | 1 1/4" Diameter | 1 1/4" | 1 1/2" |  
                     | C-3D | 1 5/8" | 1 5/8" | 2" | 1 3/4" | 2 1/4" |  
                     | C-2AR | N/A | 1/2" | 3/4" Square | 7/8" | N/A |  
                     | C-2BR | N/A | 7/8" | 1" Square | 1" | N/A |  
                     | C-2CR | N/A | 3/4" | 1 1/4" Square | 1 1/4" | N/A |  
                     | C-2DR | N/A | 1 1/2" | 2 1/8" | 2" | N/A |  
                     | C-3AR | N/A | 1/2" | 3/4" | 7/8" | N/A |  
                      | C-3BR | N/A | 11/16" | 1" | 1" | N/A |  
                      | C-3CR | N/A | 1 1/16" | 1 1/4" | 1 5/16" | N/A |  
                      | C-3DR | N/A | 1 5/8" | 2" | 1 3/4" | N/A |  
                      | C-6 | N/A | 3/4" | 7/8" | 1 1/12" | N/A |  
                     |  | Glass Ball | OA Height |  |  |  |  
                     | C-7A | 1 1/4" Diameter | 4 1/4" | 3/4" | 2 1/2" | 1 3/4" |  
                     | C-7B | 1 3/4" Diameter | 5 1/8" | 1 1/8" | 3 1/4" | 1 5/8" |  
                     | ZLW-13G | 3" | 5 3/4" | 1 3/8" | 2 3/4" | 3" |  
                     |  | Wheel Diameter | W1 x W2 | Cap Depth | Cap Height |  |  
                     | C-9A | 3/4" | 7/8" x 1" | 1 1/2" | 3/4" | 1 3/4" |  
                     | C-9B | 1" | 1 1/8" x 1 5/16" | 2" | 1" | 1 1/2" |  
                     | C-9C | 1 1/4" | 1 3/8" x 1 1/2" | 2 3/8" | 1 1/8" | 1 9/16" |  
                     | C-10A | 3/4" | 1 1/16" | 1 7/8" | 1" | 1 1/4" |  
                     | C-10B | 1" | 1 1/8" x 1 5/16" | 1 7/8" | 1 1/4" | 1 5/8" |  
                     | C-10C | 1 1/4" | 1 5/16" | 2 3/16" | 1 3/8" | 1 5/8" |  
                     | C-5S | N/A | 3/4” x 7/8” | 7/8" | 3/4" | N/A |  
                     | C-5 | N/A | 1 3/16" | 1 5/16" | 1" | N/A |  
                     | C-5L | N/A | 1 1/2 x 1 3/4” | 1 3/4" | 1 1/2" | N/A |  
                     | C-5XL | N/A | 2” x 2 3/16” | 2 7/16" | 2" | N/A |  
                     | C-8X | N/A | 7/8" | 1 5/16" | 1 1/2" | N/A |  
                     | C-8Y | N/A | 1 1/8” x 1” | 1 3/4" | 1 7/8" | N/A |  
                     | C-8Z | N/A | 1 1/2” x 1 7/16” | 2" | 2" | N/A |  |