Vallorbe Vallorbe File Kit SKU: 307470 MODEL: C500-147-B Error. try again later You've successfully joined the club $ 27 .98 kit Available on orders $50 to $1500.More info × Mitre 10 Variants Vallorbe 5/32" File. For 3/8" Lo Pro chain and file guide included. Only 2 or 3 light sharpening strokes required for normal sharpening, preserving the chain and its service life. Features and benefits Long service life saving the costs of sharpening. Files hardened all the way to the core.