Size: 3mm/ 4mm/ 5mm/ 6mm/7mm/8mm/9mm/ 10mm/11mm /12 mm
Material: HSS
Specific and professional use: This reamer set is designed for reaming to mold processing and handicraft processing.
Package Includes: 10x H7 HSS Machine Reamer
Notes - Always keep reamers clean, and used with machine oil for long service use. Should held in a good-quality toolholder.Tapping fluid or cutting oil can be used to lubricate the reamer and workpiece to help reduce friction and increase tool life.