What's in the box:

Aibecy 2pcs T8 Lead Screw Nut Anti Backlash Spring Loaded Nut Pitch 8mm Lead 8mm for 3D Printers with T8*8 Lead Screw or CNC (Standard)

Features:
Made of high quality brass and stainless steel, enabling the nut sturdy and durable.
Use with acme threaded lead screw, fine workmanship, smooth and unobstructed movement.
Anti-slip, anti-corrosive and wear-resistant.
Pitch: 8mm/0.31in, Lead: 8mm/0.31in
Great for 3D printer T8 lead screw, CNC, etc.

Specifications:
Color: Gold
Material: Brass + Stainless Steel
Quantity: 2pcs
Pitch: 8mm/0.31in
Lead: 8mm/0.31in
Item Size(each): 5.6 * 3.1 * 3.1cm/ 2.2 * 1.2 * 1.2in
Item Weight(each): 20g/ 0.7oz

Packing List:
2 * T8 Lead Screw Nut