Why would you choose one over the other?
http://www.diy.com/nav/fix/plumbing...-Shut-Off-Tap-15ESOTP-10457575?skuId=10938271
vs
http://www.diy.com/nav/fix/plumbing...c-Service-Valve-15SVP-10457568?skuId=10938264
Similar price... surely the one with the knob on it is faster and easier to use?
http://www.diy.com/nav/fix/plumbing...-Shut-Off-Tap-15ESOTP-10457575?skuId=10938271
vs
http://www.diy.com/nav/fix/plumbing...c-Service-Valve-15SVP-10457568?skuId=10938264
Similar price... surely the one with the knob on it is faster and easier to use?