uxcell 2 PCS Machinist Firm Friction Joint External Internal Caliper Tool 10" Long Product Name : Outside Inside Calipers;Total Length : 250mm / 10" Each Flute Max. Width : 15mm / 0.6";Material : Metal Color : Silver Tone Net Weight : 166g Package Content : 1 x OutsideCalipers1 x Inside Calipers