JMBLOCK A4 (REPLACES FMBLOCK A4) STERLING GRAY COACH LIGHT J-BLOCK | Constructed of durable vinyl, this 12.5 in x 8.5 in Large Mounting Block is a low maintenance way to mount large light fixtures. Each mounting block ensures an even and level surface for transitioning from siding to a fixture.
Versatile rectangular shape
Low-maintenance design offers easy upkeep
Provides a level surface for transitioning from siding to a fixture
Adjustable receiving channel accommodates siding 3/4 - 1-1/4 in. deep