TruComponents Grommets Strain relief 629201 - TruComponents TC-10820736, TruComponents manufacture the WCC-160BK strain relief, made from durable polyamide 6.6 in black. This product ensures secure cable management, typically used to protect and relieve strain on cables in various electrical or mechanical installations. Available in bulk, this strain relief comes in a package of 1000 pieces for large-scale applications. TruComponents WCC-160BK Strain Relief Polyamide 6.6 Black 1000 pieces