Specifications
Specifications of 38mm Grip Neck Castors are:
Diameter of Wheel is 38mm
Height from Floor to Underside of Furnture is 52mm
Width of Socket at the Yoke is 33mm
Front to Back dimension is 46mm
Pin Depth into Timber for Socket & Pin is 36mm
Socket (hammer in) is 32mm x 10mm diamter (pin requires 36mm depth)