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. Glacier Pull. Product Details: Collection: Mercer Shape: Euro Material: Zinc Alloy Country of Origin: China Installation Required: True Ship Type: UPS Packaging Type: Small Package Measurements: 3 Inches Overall Length (in): 3 Projection (in): 1 Base Diameter (in): 7/16W x 2 5/8L Center to Center (mm): 50.8 Weight (lbs): 0.258 4 Inches Overall Length (in): 4 Projection (in): 1 Base Diameter (in): 7/16W x 3 5/8L Center to Center (mm): 76.2 Weight (lbs): 0.346 6 Inches Overall Length (in): 6 Projection (in): 1 Base Diameter (in): 7/16W x 5 5/8L Center to Center (mm): 127 Weight (lbs): 0.52 8 Inches Overall Length (in): 8 Projection (in): 1 Base Diameter (in): 7/16W x 7 5/8L Center to Center (mm): 152.4 Weight (lbs): 0.523 10 Inches Overall Length (in): 10 Projection (in): 1 Base Diameter (in): 7/16W x 9 5/8L Center to Center (mm): 203.2 Weight (lbs): 0.691 12 Inches Overall Length (in): 12 Projection (in): 1 Base Diameter (in): 7/16W x 11 5/8L Center to Center (mm): 252.4 Weight (lbs): 0.837