Foam insert fits SKB 3R2817-10 case or equivalent. Cutouts in foam designed to securely hold and protect one ATUC-IRCU infrared control unit, four ATUC-IRDU infrared discussion units, nine ATUC-M43H, ATUC-M58H or ATUC-M32L microphones, 16 LI-240 lithium-ion batteries, one ATCS-B60 charger, and two large accessories. Case not included.For wireless CU/DUs, mics, and accessories only.Foam insert fits SKB 3R2817-10 case or equivalent. Cutouts in foam designed to securely hold and protect one ATUC-IRCU infrared control unit, four ATUC-IRDU infrared discussion units, nine ATUC-M43H, ATUC-M58H or ATUC-M32L microphones, 16 LI-240 lithium-ion batteries, one ATCS-B60 charger, and two large accessories. Case not included. For wireless CU/DUs, mics, and accessories only.