Plastic Socket Fits 7/8" ID Square - for 7/16" Grip Ring Stem

Part # 32045 This plastic socket is designed with 7/16" grip ring stem casters and is used with square tubing with a 7/8" ID (Internal diameter). It is most often use with a 1" OD (Outside diameter) square tubing but OD can be larger. Used with - 7/16" Grip Ring Stems Designed for 7/8" ID x 1" OD  Total Length - 1.884" Base Size - 1.135" Insert Size 0.870" increasing to 0.905" at base