1/2" Square Drive O-Ring & Pin to Suit 8-14mm Socket, 3 Pieces

• Designed to secure sockets and other accessories to drive tools through the square drive.
• The retaining pin is subsequently held in place by the “O” ring.
• Pin manufactured from hardened and tempered spring steel; “O” ring from high-grade rubber.
• To suit socket sizes: 1/2" Sq. Dr. 8mm to 14mm (or imperial measurement equivalent).
• O'Ring size: 4mm x 19mm.
• Pin Size: 3mm x 20mm.