The ABS plastic used means users can add holes and cut-outs by both drilling or punching.

There are six sizes:

T1-26 40 x 28 x 18mm, 1mm walls, polished finish
HBT3 73.5 x 51 x 25.5mm, 1.75mm walls, matt finish
T2 75 x 56 x 25mm, 1.5mm walls, polished finish
T3 75 x 51 x 27mm, 1.5mm walls, polished finish
T4 111 x 57 x 22mm, 2mm walls, polished finish
HBT4 113 x 59 x 24mm, 1.75mm walls, matt finish
Standard colours are black, white or light grey, and other RAL colours are available on request. Silk screen printing is also available.

Lids are retained with four countersunk self-tapping screws which are supplied separately in packs of 100 – either black passivated posidrive countersunk, or zinc plated posidrive.