1.1/2" BSPP x 1.3/4" BSPP MALE ADAPTOR - 1BP2428 BURNETT & HILLMAN Hydraulic Adaptors The colour of the product may vary from that illustrated, due to new Health & Safety legislation controlling the use of chromium plating. The new plating will be silver rather than the traditional gold. Mixed stock may be supplied during the manufacturer’s transitional period.