Footprint Thumbturn Pattern Pipe Wrench – 7 (175mm) FP900W07 One-Hand Jaw Adjustment Footprint 900 Thumbturn pattern pipe wrench - the easier-to-adjust version of the classic 698 Original Pattern. 7 (175mm) length, 40mm jaw capacity. Knurled thumbturn nut allows jaw adjustment with one hand without unscrewing, sliding and re-tightening. Drop forged high carbon steel hook, induction hardened teeth, pressed steel handle with rounded end. Grips tighter as more pressure is applied. Made in Sheffield, Britain. The Thumbturn wrench is what happens when the Footprint Footy gets a practical upgrade. The original 698 pattern requires you to unscrew the adjusting bolt, slide the jaw, and retighten - a two-handed job and fiddly in a tight space. The Thumbturn replaces this with a knurled nut that you spin with your thumb while holding the wrench, ad