BesQual Margin Wax, Red. Size: 3.82" x 0.835". Weight: 100g (3.5oz) REF #423-7160 // Mfg. #716-000 High Precision Ash Free, Margin Wax. This is a red wax with superior characteristics for modelling all marginal areas (copings and inlays). This wax has almost no retractionan and it is an inert wax. It has great stability; will not cause stress or strain to the wax it is applied to. It has been designed with an extremely low shrinkage for marginal accuracy.