Based on this product's specifications, here are some alternatives and similar models
Plastic lamp holder with ring for E14 bulb, Unimet EX-S9100006
Summary description:
Plastic lamp holder designed for bulbs with an E14 screw base. Manufactured by Unimet (model EX-S9100006), this ergonomic holder includes a retaining ring for secure bulb installation. Suitable for indoor lighting fixtures, lamps, and DIY electrical projects where an E14 socket is required. Provides basic mechanical support and electrical contact for compatible E14 bulbs.