PR315500-RH Attic Ladder Kit Power Arm Assy Right Hand Compatible with Louisville Ladder PR315500-RH Attic Ladder Kit Power Arm Assy Right Hand Compatible with Louisville Ladder. PR3155000-rh compatible with louisville S224P attic ladder hinge arm, S254P attic ladder arm hinge, L224P attic ladder hinge arm, L254P attic ladder hinge arm, CS224P attic ladder hinge arm, CS254P attic ladder hinge arm, CL224P attic ladder hinge arm, CL254P attic ladder hinge arm, S300P attic ladder hinge arm, S305P attic ladder hinge arm, L300P attic ladder hinge arm, L305P attic ladder hinge arm, AS226P attic ladder hinge arm, AS256P attic ladder hinge arm, AL226P attic ladder hinge arm and AL256P attic ladder hinge arm, AL258P attic ladder hinge arm. Compatible Model:250lb rated(wood) series ladder: S224P S254P L224P L254P,model 300lb rated(wood) series ladder: CS224P CS254P CL224P CL254P S300P S305P L300P L305P,model 350lb rated(aluminum) series ladder: AS226P AS256P AL226P AL256P AL258P.(Note: Please check the brand and model of the attic ladder before purchasing. compatible Models:Heavy-duty hinges for Al228P High Quality:The attic ladder arms are made of thick white zinc, though rust protection treatment, anti-scratch, with more efficiency and durability. Solve Problems:An alternative to the balance arm of the attic ladder can provide maximum durability and accurate performance. Replacing the hinge arm of the ladder instead of replacing the whole attic ladder saves you time and money. An economical and effective way to transform your ladder into a new one Please Note: This hinge arm is the hinge arm part on the right side of the ladder when you under the ladder and looking up the attic ladder Service:If you encounter any problems during use, please me immediately and we will give you a satisfactory