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.

With dove tail joining and 12 holes in two rows.

Aluminium, made from thick anodised aluminium sheet, in three tiers.

Stout brass strips mounted in wooden handle to hold tubes from 12 mm to 40 mm. Overall length 220 mm.

Metal strips with a slider, mounted in wooden handle.

With drilled holes to accommodate 7 tubes up to 13 mm in dia. Strongly constructed with dovetail joints.

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.

Strongly constructed, with 12 holes in one row and 12 draining pins. Ten holes accommodate tubes up to 25 mm in dia.

Made of wood with turned wood posts. Has holes for tubes up to 19 mm in dia.