QUICK ACTION PRECISION MODULAR VISES 1.Made of high-quality alloy steel ... 3.Squareness 0.005mm QUICK ACTION PRECISION MODULAR VISES 1.Made of high-quality alloy steel2.Parallelism ... 100mm,squareness 0.005mm3.Locate position by pilot pin,adjust pin on body according to openning size,then clamp ... ,centers,mores taper sleeves,drill chucks,precision tool vises,parallel block series,V-block clamp,etc.Sales ...