LASCO 01-4000 Fit-All Small Style Lever Handles, 1-1/4-Inch Diameter, Chrome Plated Metal. Handles are constructed from high-quality metal for durability and dependability. Fits all small style lever handles with 1-1/4-inch diameter base. Adapter uses either a set screw style that tightens to stem or an exact fit broach (adapters are sold separately). Larsen Supply a third generation family owned and operated company with over 80 years of experience has the largest retail plumbing line in the industry today with over 7000 packaged and 16,000 bulk SKU's. We pride ourselves on service, selection and support! All Lasco merchandise if warranted to be free of manufacturing defects. Please revert to retail place of purchase for resolution of any possible plumbing questions, warranty or defective part replacement.