4 pin bow sight,cnc 6061-T6 machined,long 0.019" fiber ,black anodized,with sight light, OEM/wholesale/Retail are ... end fiber design allows for increased pin brightness and compact sizeAperture has 2.0" inner diameterAdjustment for windage and elevationLaser ... init( { 'aImgSrc': aBigImageSrc } ); } )(); 4 pin bow sight,CNC 6061-T6 machined,long 0.019" fiber design,black anodized,with sight light,TP3540 ...