Eclipse Caliper - Inside - 150mmSku : 40175Mfgr Part # : EC51-150 Delivery : Ships today.Price : $76.25 ex-gst$87.69 inc-gst.Price per : Item Bow spring ensures uniform tension over working range. Centrally mounted adjustment screws. Manufactured from polished tool steel. Firm joint calliper capacities are general 1/3 greater than the effective leg length.