Stainless Steel  A4 Marine Grade 316 Satin Finish D Type Glass Clamp
63 x 45 x 30mm to suit flat post
To suit 8,10, 12mm glass 
Comes complete with 8,10, 12mm rubbers
This item has the optional safety pin
Specifications
weight: 0.3 kg
length: 63.0mm
width: 45.0mm
depth: 30.0mm
material: 316 Stainless Steel
material finish: Satin