Check the listing for details. NEW MATHEWS ARCHERY SWITCHWEIGHT MODS, BOW MODULE, PHASE 4, V3X, V3, VERTIX, VXR. Color: Black, Condition: New without tags. Listed at 55.00 USD. NEW MATHEWS ARCHERY SWITCHWEIGHT MODSAmbidextrousAdjust peak draw weight and draw length with the quick change of a module. Each mod is programmed to deliver maximum efficiency, resulting in an ultra-smooth draw without sacrificing speed.No more messing with your limbs - simply change the peak weight of your bow with the quick change of a mod. Switchweight modules allow you to change peak draw weight in 5 pound increments. Available in peak weights of 60, 65, 70, and 75 pounds.***Please see bow charts in photos to confirm which module you need for your specific bow.******You will receive a set of modules with stops installed. No other parts are included.***This listing includes the complete list of modules we have available. If the item is not listed, we do not and will not have it available.