I'm looking to get some masonry and normal drill bits and was looking at the following two sets, what do you think?
http://www.screwfix.com/app/sfd/cat/pro.jsp?cId=A337699&ts=76757&id=88598
http://www.screwfix.com/app/sfd/cat/pro.jsp?cId=A337698&ts=75793&id=95497#
Also are Diamond coated screwdriver bits worth it (I presume the 6-10ga means that particular one is suitable for screws 6-10 gage?)
http://www.screwfix.com/app/sfd/cat/pro.jsp?cId=100403&ts=76939&id=19449
http://www.screwfix.com/app/sfd/cat/pro.jsp?cId=A337699&ts=76757&id=88598
http://www.screwfix.com/app/sfd/cat/pro.jsp?cId=A337698&ts=75793&id=95497#
Also are Diamond coated screwdriver bits worth it (I presume the 6-10ga means that particular one is suitable for screws 6-10 gage?)
http://www.screwfix.com/app/sfd/cat/pro.jsp?cId=100403&ts=76939&id=19449