Merrell Siren 4 GORE-TEX Hiking Shoe Size:5.5 Maximum rpm output shaft -

Maximum rpm output shaft - 5750 rpm

Further features of the BR 430 include ErgoStart for quick and easy engine start-up and multi-function control handle making operation that bit more simple

flexible protection

Durable moulded toe protects against scuffs

Merrell Siren 4 GORE-TEX Hiking Shoe Size:5.5 Maximum rpm output shaft -Features: Full grain leather upper Traditional lace closure Bellow tongue keeps out debris Breathable mesh lining Kinetic Fit BASE removable contoured insole for flexible support Merrell Air Cushion in the heel absorbs shock and adds stability Lightweight EVA foam midsole with zones of softer foam may reduce pronation Vibram TC5+ rubber sole Weight: 1lb 7oz 640G (full pair)