Overview Reviews Product Description IMPA 590248 Socket 21 mm, for Impact Wrench 1" SQ Drive TETRA Product Videos Custom Field IMPA Code 590248 HS Code 84679200 Country Of Origin TW Product Reviews Write a Review Write a Review × IMPA 590248 Socket 21 mm, for Impact Wrench 1" SQ Drive TETRA Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *