TEKTON 7521 Helping Hand with Magnifier features: Heavy Duty Cast Iron Base. Two Alligator Clamps Hold Light Materials Steady. 2X, 2-1/2" Magnifying Glass for Precision Work without Eyestrain. Adjustable Ball Joints Position and Hold Work at any Angle. Frees Hands for Soldering, Gluing, Positioning, Fastening, and Assembly