MIDWEST Blade Crimper - Sheet Metal Duct End Crimps Up to 1-5/8" with Compound Leverage & KUSH'N-POWER Comfort Grips - MWT-C5 CREATE FACTORY CRIMPS - Makes factory precision crimp to join duct CREATE TIGHT FITTING JOINTS - Crimps duct ends up to 1-5/8 throat depth for tight fitting joints. STRONGEST HANDLES - High Tensile strength steel will not bend from hand pressure and provides efficient conversion of hand force to cutting power COMFORTABLE GRIPS - Kush'N-Power grips conforms with the motion of the user's hands and the indented ribs prevent hand and finger slippage MADE IN THE USA Makes factory precision crimp to join duct. Crimps duct ends up to 1-5/8"(41.3mm) throat depth for tight fitting joints. Kush'n-Kote textured handle grips. Made in the USA