The Grey Pneumatic 3045UM is a 3/4-inch drive x 45mm metric standard-length universal impact socket. It is designed for heavy-duty industrial and automotive applications where high torque and tight, angled clearances intersect.🛠️ Technical Specifications Drive Size: 3/4-inch Socket Size: 45 mm Configuration: 6-point hex Type: Universal swivel joint Material: Chrome-Molybdenum (Cr-Mo) alloy steel Length: 115 mm (standard)Weight: 1.9 lbs Locking Types: O-Ring (3212), Pin (3221), or Ret Ring®