Trend CE/128 Collet extension 12mm shank 8mm colletCollet extension 12mm shankFor use in router tables where there is a limited router cutters shank lng. available. Precision machined one-pce steel body. With a 12mm shank, fitted with a multi-slit spring steel collet and collet nut. Use at maximum speed 18000 RPM. Increase cutter spindle lng. by 50mm. Maximum tool diameter 50mm. Maximum tool cut lng. 30mm. Requires 19mm & 22mm A/F spanners.Specification-Shank size=12 mmCollet size d=8 mmOverall lng.=72 mmMaximum speed=18000 rpmMaximum tool dia=50 mmMaximum tool cut=30 mm