16x10x4.5. predrilled 3/4 anchor bolt holes. The laminated set of rubber bumpers for a loading dock is a heavy-duty solution designed to provide protection and support during loading and unloading processes. This set includes a pair of rubber bumpers that are durable and built to withstand the demands of warehouse and industrial environments. The laminated construction ensures longevity and reliability, making it an essential component for dock rails and bumpers in any material handling setup.