Features : These slotted angle plates have all the features of Code 751 except are provided with convenient clamping slots for mounting and are widely used for machining lay out and inspection. Spplied in two types webbed end have side webs & an open end. Code 754G : Open End Precision Ground Finish : Wrincle Black Slotted Angle Plates Open End (754 - Machined ), ( 754G - Precision Ground