Sealey-Jacking-Beam-Yankee-2tonne-with-Arm-Extenders-Flat-Roller-Supports-Sealey-SJBEX200-p-Fully-certified-&-approved-to-comply-with-MOT-requirements-Features-two-stage-mechanical-safety-lock-&-telescopic-finger-guards-to-prevent-accidental-injury-Supplied-with-two-pairs-of-aluminium-support-blocks-Beam-has-spring-loaded-flat-arms-with-roller-bearings-when-unloaded-these-support-the-weight-of-the-beam-allowing-the-entire-unit-to-run-smoothly-along-the-pit-or-ramp-but-when-load