Martin® Pro • Draft Parallel Straightedges
Martin Universal Design 16 x 21 Pro-Draft Deluxe Adjustable Parallel Straightedge Board, White Melamine, 1 Each (U-PEB1621K) : Everything Else
Martin Universal Design 24 x 36 Deluxe Adjustable Parallel Straightedge Board, White Melamine, 1 Each (U-PEB2436K) : Office Products
Pro-Draft Drafting Board Straight Edge 20x26 Gwartzmans – Gwartzman's Art Supplies
Martin Pro-Draft Deluxe Drawing Board with Parallel Straight Edge
Martin® Deluxe Adjustable Parallel Edge Board (PEB) – “K” Series
Martin® Pro • Draft Parallel Straightedges
Martin Universal Deluxe Adjustable Parallel Edge Boards #U-PEB1621K
Martin Universal Design 16 x 21 Pro-Draft Deluxe Adjustable Parallel Straightedge Board, White Melamine, 1 Each (U-PEB1621K) : Everything Else