The Mercer Collection is a new contemporary line for Top Knobs. Each element in the collection stands alone with a unique look and detailing that only Top Knobs could achieve. The Mercer Collection has several new series: Europa series, Glacier series, Holland series, Oculus series, Quilted series & Tango series. Quilted Pull. Product Details: Collection: Mercer Shape: D Handle Material: Zinc Alloy Country of Origin: China Installation Required: True Ship Type: UPS Packaging Type: Small Package Measurements: 4.25 Inches Overall Length (in): 4.25 Projection (in): 1.03 Base Diameter (in): 7/16W x 0.75L Center to Center (mm): 95.3 Weight (lbs): 0.273 5.5 Inches Overall Length (in): 5.5 Projection (in): 1.03 Base Diameter (in): 7/16W x 0.75L Center to Center (mm): 128.6 Weight (lbs): 0.315 6.75 Inches Overall Length (in): 6.75 Projection (in): 1.03 Base Diameter (in): 7/16W x 0.75L Center to Center (mm): 160.3 Weight (lbs): 0.361