可精準地引導鋸子進行切割動作，適用於水滴型座管(最大可達75mm),及圓管(直徑1英吋到1-3/8英吋)。
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It can precisely guide the saw blade for cutting actions and is suitable for use on tear-shaped seat posts (up to a maximum of 75mm) and round tubes (with diameters ranging from 1 inch to 1-3/8 inches).
可精準地引導鋸子進行切割動作，適用於水滴型座管(最大可達75mm),及圓管(直徑1英吋到1-3/8英吋)。
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It can precisely guide the saw blade for cutting actions and is suitable for use on tear-shaped seat posts (up to a maximum of 75mm) and round tubes (with diameters ranging from 1 inch to 1-3/8 inches).
