Koken Socket Set | number8.bid | number 8 solutions Ltd
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.
Ko-ken Z-EAL Socket Set Insertion Angle 12.7mm (1/2") 4285Z for sale online | eBay
Koken 3277 Socket Set 3/8" Square Drive 6 & 12 Point 29 Piece - Made in Japan - 3/8" Drive, 3/8" Drive, Sockets & Sets - Discount Trader
Socket set 6 point Titanium 18 pieces – Ko-ken USA
コーケン ソケットセット
Koken Socket Set 1/2" Square Drive 12 Point 36 Piece Made in Japan 4279AM | eBay