在 Amazon 見到 這個,$44.99, 是個好deal 嗎?平時一般用來做什麽(不僅僅是裝鎖吧)?
DEWALT D180002 Standard Electricians Bi-Metal Hole Saw Kit (9 pieces)
https://www.amazon.com/DEWALT-D180002-Standard-Electricians-Bi-Metal/dp/B00005LF01
https://www.amazon.com/DEWALT-D180002-Standard-Electricians-Bi-Metal/dp/B00005LF01