This White China Bristle Blend stain block brush contains a two piece screw-in, removable handle, threaded for optional extension pole use. Highly recommended oil-based coatings. Brand Name: Bestt Liebco Sub Brand: Master Bristle Width: 5-1/2 in. Bristle Edge Shape: Flat Product Type: Stain Brush Bristle Material: White China Bristle Handle Material: Wood Number in Package: 1 pk Handle Length: 3-1/8 in. Designed for Use With: Oil-Based Paints & Stains Ferrule Material: Nickel Plated Steel Thickness: 5-1/2 in. Trim Length: 1-5/8 in.