"PRIME-LINE" HINGE *3" width *No. 2 position *For most garage door manufacturers *Includes 1 hinge & 4 each 1/4"-20 x 1-7/8 pancake head carriage bolts with nuts *Roller tube accepts a standard 7/16" diameter stem roller *14 gauge galvanized steel hinge *Carded *Discovery ACC, CON, NBR, SUP, EXP