Bolts directly to the WTX Harness. Able to mount to the back plate with use of SureLock attachments Includes necessary attachment hardware plus spares 2” stainless adjustable D-rings on the outside of each pocket Features the SureLock (patented) mechanical weight release buckles which prevent weights from releasing until you want them to Each pocket holds up to 10 lbs (4.5kg) of lead.