Specifications:Wrench Length: 9 1/8"Conduit Size: 1/2", 3/4", 1", 1 1/4", 1 1/2", 2"Hole Size: 7/8", 1 1/8", 1 3/8", 1 11/16", 1 15/16", 2 3/8"Draw Studs Screw Thread Dia.: 3/8", 3/4"Carrying Case Size(LxWxH): 14 3/4" x 10 7/16" x 2 9/16"Environment Temperature: -20 to 40anddegCNet Weight: 10.3 Lbs. Package Contents:1x Wrench1x Sleeve1 Set of Large Studs1 Set of Small Studs6 Sets of Punches1x Case1x Manual. Notice: - This product Cannot punch holes in stainless steel plates with thicknesses above 2mm.- When a hole is completed, the punch unit (punch, die and draw stud) can fall freely toward the die's side.- Please make sure you have firm footing and balance when operating to avoid injuries