General description This set includes a Dormer HSS Duo M6 Second Tap and an A002 Drill Bit, designed for efficient threading and drilling. The combination of a tap and its corresponding pre-hole drill in one package helps save time and reduce errors during installation. Technical specifications Tap Type: Second Thread Size: M6 Brand: DORMER Model: L000 Number of pieces: 2 Compatibility and accessories Designed specifically for roof hatches or attic access points Compatible with standard roofing materials and fittings Installation Easy to install with basic tools Suitable for manual operation in roofing systems Usage Used to control water flow through roof hatches Ideal for attic ventilation and access points