Features:
· High-quality material: Forged from premium chromium-molybdenum steel and cold-heading heat-treated for excellent hardness, impact resistance, and durability.
· Durable surface finish: Phosphated coating improves explosion-proof performance, enhances impact resistance, and is treated with anti-rust oil for long-lasting corrosion protection.
· Secure socket hold: Four-wheel drive arc inner corner design provides strong locking force, reducing slippage during use.
· Heavy-duty design: Thickened construction suitable for pneumatic and electric tools, delivering superior torque, impact resistance, and extended service life.
Product No. | Size |
BK-212730 | 1"-3/4" |
BK-212732 | 1"-1/2" |
BK-212734 | 3/4"-1" |
BK-212735 | 3/4"-1/2" |










