Burnmaster® replaceable style wood burning tips feature several important benefits. The tips are available in the most useful, popular and time-proven shapes. Each tip is carefully shaped from superior alloy tip wire and features precision made copper contacts for superior electrical conductivity. Note: Burnmaster® brand tips are compatible with Burnmaster® wood burning pens and Detail Master version-II replaceable style handpieces (pens). Approximate overall length: 2-1/8" (54mm). Compatibility note: Compare tip shape to Detail Master brand: 11-A. Some suggested uses: Fine detail, curved lines and surfaces.