6-Piece Mounted Objects Set for Optical Bench, 2 x 2" Subcategory_Scales and Balances At a full-inch diameter

At a full-inch diameter

and string length

Beech wood test tube rack holds 12 tubes up to 20mm diameter in a 9-inch frame for organized storage during chemistry and biology experiments

Zinc alloy natural gas Bunsen burner with flame stabilizer ships with a 2-foot neoprene gas hose for quick bench hookup in chemistry classrooms

6-Piece Mounted Objects Set for Optical Bench, 2 x 2" Subcategory_Scales and Balances At a full-inch diameterSix standardized objects mounted in 2 x 2 inch plastic frames, dimensioned to slot into PH0651 optical bench holders for repeatable image formation, magnification, and lens behavior studies.