hey all was browsing the bay and came across a 60 mm boost gauge by HDI, it looks pretty smart but unsure of the quality just wondered if anyone can shed any light ? http://www.ebay.co.uk/itm/HDI-HYBRID-HDI-SUPER-BOOST-GAUGE-TYPE-DR-SKYLINE-WRX-SILVIA-GTR-EVO-MR2-SUPRA-/311467025750?hash=item4884e1a556:g:Q5cAAOxyDEVSb0z6