HVAC Premium Heavy Duty Universal Adjustable Tube Cutter Set For Cutting - Copper, Steel, Aluminum (1/8" - 5/8") (3/16" - 1") (1/4" - 1-1/4") Compatible With Duct 6in + Product Details Size -

+ Product Details Size - 16"w X 4"h is the size for the duct opening measurement only

Rigid Design - Noise Free Components - No Vibrating Louvers Etc

+ Product Details Size - 8"w X 12"h X 2"d (for duct opening measurement only)

Actual Filter Size – 13 3/4"w x 13 3/4" x 1"

HVAC Premium Heavy Duty Universal Adjustable Tube Cutter Set For Cutting - Copper, Steel, Aluminum (1/8" - 5/8") (3/16" - 1") (1/4" - 1-1/4") Compatible With Duct 6in + Product Details Size -+ Product Details Size Adjustable sizes 1 8" 5 8" (3 16mm) 3 16" 1" (5 25mm) 1 4" 1 1 4" (6 32mm) Applications Suitable for Cutting Plastic, Copper, Aluminum, Iron and Stainless Steel Tube Pipe Comes with Handle that attaches easily to cutters. Strong Sharp Cut Straight Cuts blade does not bend or break comes with deburring tool. Precise Cutting Cutters have adjusting knobs to ensure you have the precise diameter dimension for specific tube pipe