i15—Signify the transmission ratio of movement's shaft gear which is xx.
Φ—Signify center distance of assembling movement's mounting groove.
L—Signify the length of needle pivot (which means shaft gear).
e—Signify the length of needle pivot over the splint
Product Name: Double Movement
Material: stainless steel 304 or brass
Transmission ratio: 11.85
Movement's shaft gear: 15
Color: Original color
Certificate: ISO9001; ISO14001
Used: 4 inch pressure gauge