This is Knot's original D-buckle. The mounting width of the strap is 18mm. It can reduce the deterioration of the strap.

* Please be noted that there is no accessory tool attached to this product
* Corresponding size can be confirmed by 2 digit numeral notation after "- (hyphen)" of strap model number.
S18-T series such as S18-TT (Tochigi leather): S-DB-16-OO compatible, S18-S series such as S18-SKD (Kaihara) and S18-AK series: S-DB-18-OO compatible.

Please note that the partial design of straps and buckles are subject to change without notice.