1" Square Drive Impact Sockets Impact sockets and accessories are manufactured from high quality chrome molybdenum steel. Black oxidised finish with permanent laser etched markings. Conform to: ANSI/ASME B107.2, DIN 3129 Standard Model: SO3AD8133 Shipping Weight: 0.966kg Manufactured by: JONNESWAY .=========================================== We are a trusted Prefered Seller from Techno Tools & Equipment Sdn Bhd (Based in Ampang, Selangor) All orders come with an official Invoice attachment in the packaging. Walk-in purchases are available on (Monday to Friday, 10AM - 5PM) Shipment on the same working day =========================================== Our Location : No.36-1, Jalan Sulaiman 1, Taman Putra Sulaiman, 68000,Ampang,Selangor, Malaysia