All Steel Dumbbells

About Product:Brand: Huijun; Specification: 20kg Dumbbell Piece Ratio: 1.75kg * 4 Pieces; 1.25kg * 4 Pieces; 1kg * 4 Pieces;Upgrade the Double Insurance without Loosening the Nut, the Horizontal Thickness Is Upgraded to about 30mm, the Multi-Layer Thread Is Added, the Vertical Bar Is Added with High-Strength Bolts, and the Pure Steel Jujube Core Rod Is More Handy in Sports, and the Multi-Layer Electroplating Rust Is Added, appearance Patent Technology Is Beautiful and Elegant, Made of Pure Steel, Smooth Appearance and Durable;