【HSS Collet Reamer Set】- These machine reamers are made from high-speed steel, high hardness 【High-quality machine reamers】- These cutters have sharp cutting edge, high cutting ability, high precision and long service life 【Boring Tool compatible with Drilling】- This HSS collet reamer set is applicable compatible with boring to mold processing and crafts 【Wide Application Cutting Reamer】- This reaming tool is widely used compatible with machining bores, installed in drilling machine, milling machine, etc. 【High-percompatible withmance milling cutter】 - Surface treated iron, steel, plastic, wood, copper, aluminum and other metal materials L The machine reamer is used to ream workpieces that have drilled a hole, mainly to improve the precision of the hole and reduce its surface roughness. With many blades, the machine reamer cuts and removes thin layer metal on the surface of the hole that has been processed. After processing a reamer, the machining hole size and shape can be accurate. Features: Made of high speed steel, high hardness. Sharp cutting edge, strong cutting ability, high precision, long service life. Applicable compatible with reaming compatible with mold processing and craft processing. Widely used compatible with bore machining, installed in drilling machine, milling machine, etc. Surface treated iron, steel, plastic, wood, copper, aluminum and other metal materials. Specifications: Material: high speed steel Shank diameter : 3/4/5/6/7/8/9/10mm Quantity: 8 Weight: 192g (approx.) Package includes: 1 set (8pcs) x Machine reamers Note: Monitors do not are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real standard. lucky meet Note: The data is manual measurement, please allow 1-25cm error, due to differences in light and screen, there will be a certain color difference, the specific received in kind prevail.