Made of Steel, not Aluminum. OXA 250-000 Quick Change Tool Post Holder Set Mini Lathe Up to 8 8Pcs. Most mini lathe use bolt mounting not T-nut mounting, If the threads of mounting bolt of this set is different with the the thread hole on our mini lathe, you can use Any proper size threads and diameter bolt of your own to mount this tool post on your mini lathe. If your little lathe is T-Nut mounting, you can use the Oversize Blank T- Nut comes with this set, just machine it to fit your lathe T slot. Wedge type have the Max. Rigidity to get the chatter free performance. The tool post comes with a oversize blank T-Nut, if your little lathe use T-nut mounting, you need to machine it according to your specific lathe T slot size to fit it. 1 Set 250-000 OXA Wedge Type Tool Post. 3 PC 250-001 Turning Tool Holder. 1 PC 250-002 Boring, Turning Tool Holder. 1 PC 250-004 Heavy Duty Boring Bar Holder, Use 3/8″ or 1/2″ boring bar. 1 PC 250-007 Parting Blade Tool Holder, Use 1/2 Hight Paring Blades. 1 PC 250-010 Knurling and Turning Tool Holder. Quick Change Tool Post. Please give us the opportunity to resolve any problem. We understand the concerns and frustrations you might have, and will try our best to resolve the issues. We care about our valued customers, and will always try to help you. 4 Piece 4 Inch Heavy Duty Caster Set Wheels Fits For All Swivel & Brake Casters. 0-150mm 6inch Digital Electronic Gauge Vernier Caliper Micrometer Measuring Tool. Mig Welding Wire ER70S-6. 045 Mild Steel MIG Welding Wire Spool. ER11/ER16/ER20/ER25/ER32/ER40 Spring Collet Set For CNC Milling Lathe Machine. New 100 Pack 4-1/2″ X 7/8″ 40 Grit Premium Zirconia Flap Disc Sanding Grinding. Professional 12×25.44mm×80T Circular Blade – Fast Cutting for DIY Projects. Electric Hydraulic Rebar Cutter RC-16 900W Motor 5/8 Cutting Range with Case. 3600Pcs 15 Degree Wire Coil 1-3/4 ×. 09 Ring Shank Stainless Steel Siding Nails. Hand Chain Hoist 1 Ton 2200Lbs Capacity 10Ft with 2 Heavy Duty 360° Swivel Hooks. 3600Pcs Siding Nails 2In × 0.092In 15 Degree Collated Wire Coil Full Round Head.