• Complete assembly for replacing or adding roller bunks to boat trailers and lifts
• Heavy-duty 12 & 8 gauge 1-1/2" x 1-1/2" and 1" x 3" anti-corrosion galvanized steel
• Side roller arms have adjustable angle from 12-1/2 to 45-degrees; 28" to 44" end-to-end width
• Soft rubber rollers; 7"W X 3-1/2"D center roller, 3-1/2"W x 4-1/2"D side rollers
• Designed to fit wide range of boat sizes and widths (see dimension below); 23 lbs

Dimensions: end-to-end width 44" (frame cross-member 39"), 17" roller arms with adjustable angle/width from 12-1/2-degrees (44"W outside-edge to outside-edge) to 45-degrees (28"W). Side roller height 6" to 14" from top of frame; center roller 3-1/2". 4"-square mounting flanges pre-drilled with 2-3/4" front-to-back bolt pattern (hardware not included.) Ships fully assembled, 23 lbs.