Stanley Surform Suform Block Plane - Metal (Fits 5-21-398) 5-21-399About this Item:SUFORM BLOCK PLANE – METAL (Fits 5-21-398)140 mm long bladeFitted with replaceable fine cut blade – ideal for edges and confined work spacesInstant mounting and dismounting of the blade using a wing nutPractical and handy – It can be used with a single handStrong heavy-duty metal body for strength and durabilityThumb screw for quick blade release – no tools required