Measurement is from centre of barrel to centre of wheel.

Rubber Door Springs.
Size A 0/8, B 0/11, C 1/2, D 1/9

No. I R 81. Carriage Lifting Jack. Very Strong

No.Height Lifts Axle
from Ground
Lifts
Weight
Price
114 in.20 in.5 cwt.4/9
1A14 in.20 in.10 cwt.6/0
218 in.25 in.10 cwt.7/0
322 in.29 in.20 cwt.9/3
417&27 in.19&29 in.30 cwt.14/0

DOOR

No. I R 700.
Spiral Door Spring, can be attached or detached instantaneously and can be easily adjusted.
No. 0, 1/2; 1, 1/4; 2, 1/8; 3, 2/0 each.