Wood, with steel spring for closing jaws, length 180 mm approx for 11-19 mm dia. tubes.
Metal strips with a slider, mounted in wooden handle.
Stout brass strips mounted in wooden handle to hold tubes from 12 mm to 40 mm. Overall length 220 mm.
Wooden, with side supports.
Made of stainless steel. polished, with holding carrier for ease in handling liquid samples.
Made of stainless steel, accommodates 12 test tubes (6 of 26 x 150 mm and 6 of 13 x 150 mm). Polished, with holding carrier for ease in handling liquid samples.
Aluminium, stackable pattern with five 28 mm, six 9 mm and eight 13 mm dia. holes arranged in three rows.
Aluminium, made from thick anodised aluminium sheet, in three tiers.
12 holes in two rows for tubes up to 25 mm in dia. and 12 draining pins.
With dove tail joining and 12 holes in two rows.
Made of wood with turned wood posts. Has holes for tubes up to 19 mm in dia.
Strongly constructed, with 12 holes in one row and 12 draining pins. Ten holes accommodate tubes up to 25 mm in dia.
The top shelf contains seven holes for tubes upto 19 mm in dia. the lower has six holes for tubes up to 25 mm in dia. With six draining pins.
Constructed from a solid wood block, 15 out of 8 slotted holes accommodating tubes up to 13mm in dia and 7 slotted holes accommodating tubes up to 16mm in dia.
With drilled holes to accommodate 7 tubes up to 13 mm in dia. Strongly constructed with dovetail joints.