KA-BAR Knives Attachment System 8.5 in Black. The Attachment System is made from Celcon and comes with eight (8) slotted truss screws #8-32 x 3/8 eight (8) posts #8-32 x 3/8 and eight (8) spacers. The KA-BAR Attachment System is designed to work in a number of configurations including horizontal carry and may work with other products outside of the KA-BAR lineup such as holsters.It is MOLLE-compatible; MOLLE straps and/or cordage are not included. Specifications for KA-BAR Knives Attachment System: Manufacturer: KA-BAR Knives Color: Black Weight: 1.6 oz Length: 8.5 in Package Contents: KA-BAR Knives Attachment System KA-BAR Knives 9916: Attachment System 8.5 in Black