BX Stud Punch Punch Type Metal Stud Punch Creates Hole Size 1 1/4 in Weight 4 lb Overall Length 16 3/4 in Maximum Jaw Opening 2 1/8 in Grip Style Ribbed Maximum Metal Thickness 20 ga Application Steel Studs Features Automatically Centers Holes on Standard Studs Contoured Handle Design Unique Patented Punch Rolls Grip Material Rubber Handle Material Steel Jaw Opening Type Manual Overall Height 4 1/2 in