The 900MB Seies 12-point sockets from Beta Tools fit any standard 1/4" square drive ratchet handle or driver. The polished finish looks great and wipes down for easy clean-up. The "Bi-Hex" fits standard hex head or 12-point metric fasteners.

This size fits any fastener with an 11mm hex or 12-point head. Measures 25mm long (L) x 16mm OD at the 12-point end and 14.3mm OD at the square-drive end . The 12-point end is 10mm deep. Weighs 18 grams. Sold individually.