  - H-8575.XX- Clamp for Test Tubes- Test Tube (Semi-Micro). Self-closing jaw 
  - H-8590.XX- Test Tube Clamp (Stoddard w/ finger grip)- Self-closing, rectangular jaw 
  - H-8600.XX- Pinchcock (Mohr's)- Flat round edge nickel-plated steel wire Jaw Construction 
  - H-8630- Pinchcock (Day's)- Nickel-plated steel wire Jaw Construction. to 3/8" (10mm) Jaw Opening 
 
 
 
            