50 mm mini heavy duty castor black double swivel castor bolt hole brake Wheel shape:crowned The non-marking polyurethane wheel with

The non-marking polyurethane wheel with precision ball bearing ensures smooth running

Turntable design for smooth movements

tough and high-strength with low intrinsic weight

ensuring smooth

stage construction

50 mm mini heavy duty castor black double swivel castor bolt hole brake Wheel shape:crowned The non-marking polyurethane wheel withMini heavy duty castor black swivel castor 50 x 20 mm with back hole mounting suitable for 1 M10 screw (not included) and locks flat or crowned running surface with two polyurethane wheels (double roller) black tread surface yet non marking and abrasion resistant Noise reducing wheel tread with low rolling resistance