GearWrench 3/8" Drive Locking Impact Extension, 24" 84437N

Amazon

Pin hole can be used with pin and o-ring for secure socket retention Locking mechanism with sliding collar securely attaches socket to extension, Weight: 1.26 Pounds, Manufacturer: Apex Tool Group

Radwell UK

SOCKET EXTENSIONS; OVERALL LENGTH (INCH): 24 ; OVERALL LENGTH (DECIMAL INCH): 24.0000 ; LOCKING: YES ; STANDARDS: ASME ; UNSPSC CODE: 27112832 (MOQ=1, PKG QTY=1)