Castor - Square Cup Socket

(Note: Measurements are outside max. dimensions unless stated otherwise).

18th Century : Traditional antique square cup castor.

Option : Two 1" No. 6 slotted countersunk colour-matched brass screws.

Height : Top of cup to bottom of wheel: 71mm. (2 13/16") 
Height cup 33mm. (1 5/16") + shoe and wheel (variable) 38mm. (1 1/2")

SOCKET
Internal 26mm. (1") x 26mm. (1") at top, tapering to 20mm. (3/4") x 20mm. (3/4") at base.
External at shoulder 36mm. (1 3/8") x 37mm. (1 7/16")

WHEEL
Diam. 32mm. (1 1/4")
Width 13mm. (1/2")

Will raise height of leg by 40mm. (1 9/16")

Steel pins and washers above and below collar.