The BASICS LBWC50 Indicator Thumb Turn & Release by Formani is a thumb turn and release with a vacant/engaged (red/green) indicator. Compatible with both European mortise locks and North American tubular bolts. Part of the BASICS collection — a full range of hardware and accessories for doors, windows, furniture, and cabinetry.

Specifications

LBWC50: Ø 52 mm (2.0") x D 6 mm + varies
LBWC50D: Ø 52 mm (2.0") x D 10 mm + varies
Spindle: universal 5 mm with 6, 7, 8 mm converters

Compatible Latches

Euro Mortise WC Privacy Lock — requires quarter disc
Heavy Duty Mortise Bolt — requires half disc

Spindle Notes

5 mm spindle pairs with tubular mechanisms
8 mm spindle pairs with Euro mortise mechanisms
All thumb turns paired with tubular bolts should use half discs
All thumb turns paired with mortise bolts should use quarter discs
North American mortise locks will need to be modified to a 5 mm square or star hub

European roses are smaller than standard North American models. Verify all dimensions carefully.

Materials

Available Finishes

Satin Black RAL 9004
Satin Stainless Steel
PVD Satin Stainless Steel
Polished Stainless Steel
PVD Gunmetal
PVD Satin Gold
PVD Polished Copper

PVD finishes bond to the metal surface, creating a layer that improves durability, corrosion resistance, and long-term appearance. PVD is suitable for exterior and coastal applications where available.

Product Downloads

Door Hardware: Thumb Turn with Indicator

BASICS LBWC50 Indicator Thumb Turn and Release