• Ideal for fitting aftermarket components to standard exhausts.• Used to expand a length of pipe in equal proportions so the pipe is the same diameter and not tapered.• Sizes: Small; 29-44mm, Medium; 40-57mm, Large; 54-81mm.• Ensures a perfect fit with no leaks and also removes dents and clamp marks.Ideal for fitting aftermarket components to standard exhausts. Used to expand a length of pipe in equal proportions so the pipe is the same diameter and not tapered. Ensures a perfect fit with no leaks and also removes dents and clamp marks.• Ideal for fitting aftermarket components to standard exhausts. • Used to expand a length of pipe in equal proportions so the pipe is the same diameter and not tapered. • Sizes: Small; 29-44mm, Medium; 40-57mm, Large; 54-81mm. • Ensures a perfect fit with no leaks and also removes dents and clamp marks. • Model No. VS1668Technical Specification:Capacity: Small; ø29-44mm, Medium; ø40-57mm, Large; ø54-81mmDrive: Small; 17mm Hex, Medium; 17mm Hex, Large;