boat hose 316 grade stainless steel deck tank fill 1.5" key for gas fuel tank

specification:
material: stainless steel
length: 76mm
rim diameter: 75mm
weight: 352g
color: as pictures show
manufacturer part number: 102-50

feature:
suits 38mm (1.5") diameter fuel hose
100% and high quality
cap contains a high grade o-ring seal
heavy duty marine 316 grade stainless steel construction
high polished face for sleek appearance to match today's modern watercraft
complete with stainless steel retaining chain, to avoid losing or misplacing cap

fitment:(just for reference)
boats and yachts
caravans / campervans
motorhomes
trucks
tractors
trailer fuel tanks

package included:
1 x fuel deck filler
1 x key

note:
1.please check as much as possible to make sure the item is the one that you need, for we provide clear pictures and measurements.
2. please allow 0.5-1 inch difference due to manual measurement.
3. instruction is not included. professional installation is highly recommended.