Tire Changer 4" to 16-1/2" Diameter Adjustable Jaw Clamp Tire Changer 4" - 16-1/2" Diameter Adjustable Jaw Clamp Unit overall dimensions: 23"W x 41"D x 50"H (With handle) 4" to 16.5" Diameter ****** Fully Adjustable Sliding Jaw Clamps 2 Center Posts ( 4 Shaft Sizes) are provided for either bearing center or hub center wheels Quantity : 1 ; Assembling Required