Last week I went to purchase a 3M Medium Hook (as shown above) from NTUC fairprice. It cost me $4.95.
I found the hooks very good and you can reuse them again with the special double sided tape.
Today I went to Sheng Siong to buy another one and to my surprise the price is $3.30 only.
So it is $1.65 cheaper than NTUC fairprice. If you are looking at savings go to Sheng Siong.