Shop › CALIPER IWANSON FOR METAL - 4981/M Image 1 of 1 CALIPER IWANSON FOR METAL - 4981/M $47.00 Get notified by email when this product is in stock. Add To Cart Added! Iwanson caliper for measuring metal work in the dental laboratory. Product SKU: 4981/M Iwanson caliper for measuring metal work in the dental laboratory. Product SKU: 4981/M