Koken+Z-EAL+12.7sq.+21+Pieces+Socket+Wrench+Set+4285Z+36+Gears+Hand+Tools for sale online | eBay
Z-Series 3/8" Sq. Dr. Socket Set Metric with 72 T Ratchet in Foam - 26 – Ko-ken USA
Koken Hand Tools
Koken 2753P-160 Ratchet Handle | US Tool Hub
Yamashita Industrial Research Laboratory Koken 3/8 (9.5 mm) SQ. Tap Holder Set, 10 Piece Set 3261 - Wrenches - Amazon.com
Koken 2261M Socket set | Palmac Tool Company
NTD Koken Zeal 1/4 set. The chrome socket in the middle is a 10mm Williams (Taiwan) the socket to the left is the Koken 10mm. Crazy difference in height between the tool.