18" x 7", 5-5/8" x 9-1/8" Opening, HDPE Structural Foam, Shallow Plastic Type, Upper Section for Long Yoke Box

LYPB Upper Section is Made from High Density Polyethylene Structural Foam Plastic; The LYPB Plastic Upper Section Uses the Same Bolt as a Standard Iron Upper Section to Connect to Long Yoke Box Base

Yoke Box Upper Section; Item Upper Section; Type Shallow Plastic Type; Size 18 Inch Width x 7 Inch Height; Material HDPE Structural Foam; Used On Item Long Yoke Box; Applicable Standard ISO 9001, UL; Opening Size 5-5/8 Inch x 9-1/8 Inch