1. Use chromium molybdenum steel forging, deep quenching, good heat resistance and higher strength 2. Integral heat treatment, using one-piece molding design, strong and high temperature resistant, wear resistant and durable 3. PE box, strong and resistant to fall 4. Material: chrome molybdenum steel 5. Packing list: PE tool box x1, 3/4 inch sliding rod (50cm) x1, 3/4 inch extension rod (50cm) x1, 3/4 inch to 1 inch adapter rod x1, 3/4 inch bending rod ( 17cm) x1, 3/4-inch extension rod (19cm) x1, 3/4-inch ratchet wrench head x1, 3/4-inch socket (21/22/23/24/26/27/28/29/30/31 /32/34/36/38/41/46/50/55/60/65mm) x20 6. Weight: about 1800g/set
