Pressed steel punch with brass anvil and non-slip handle grips. Featuring adjustable, locking wheel with six tubes. Threaded steel punch tubes can be replaced when damaged or dull. Pressed steel. Rubber handle grips. Replaceable tubes. Ideal for lightweight leather up to 1.6mm-2.0mm (4oz.- 5oz). Tube Size: 2mm (5/64")/ 2.3mm (3/32")/ 3.1mm (1/8")/ 3.5mm (9/64")/ 4mm (5/32")/ 4.8mm (3/16").