Overview Reviews Product Description Features: -designed to remove broken studs, bolts, socket screws and fittings for high torque applications.-aggressive left hand spiral design for extra gripping power.-hex head size: 1/2".-bolt diameter: 5/16".Number of bits: -5+.Unit material: -steel.Use material: -metal.Product type: -driver bits.Use: -extractors.Dimensions: overall product weight: -05 pounds. Irwin Tools Catalog Product Videos Custom Field Manufacturing country US Product Reviews Write a Review Write a Review × Irwin 5 Pc. 3/16" Hanson® Hex Multi-Spline Extractor 53203 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *