Krobahn Circulating Pump Head Key 4&5mm

• Manufactured from drop forged, hardened and tempered Chrome Vanadium Steel
• Ergonomic T-handle for controlled drive and reduces fatigue
• Black Oxide finish for corrosion protection
• Ball-ended design to enable usage up to 25° angle
• Fits most domestic central heating pump heads
• Hex Key Sizes: 4mm x 100mm, 5mm x 150mm