Replacement Cable for Spider Crossbow MK-250 Replacement Cable and String for Spider Crossbow MK-250 This Replacement Cable can replace the original cable of our Spider MK-250 series compound hunting crossbow, including Spider MK-250A1W,MK-250A1B, MK-250A1AC and MK-250A1TC. Cable Length: 38" each Contents 2 x Replacement Cables