JC754 CULPITT: TOOL-JEM-MODELLING-No.4-FLUTING/VEINER - PACK OF 1 Jem No.4 Fluting/Veiner Modelling Tool £2.17 Quantity: at £2.17 each Add To Basket 155mm. (Boxed 1). 4A - A most useful tool for fluting and frilling petals. This tool will also help to increase the size of any petal. Its pointed tip is used to emphasise the centre of some flowers. 4B - A Veining Tool.